What is wrong with the following electron configuration?

What Is Wrong With The Following Electron Configuration?

Answers

Answer 1

Answer:

a. without completing 2p stuff...electrons cant go to 3s. the correct configuration is

1s2, 2s2, 2p6, 3s1

b. after 4s, 3d comes not 4d. the correct configuration is 1s2, 2s2, 2p6, 3s2, 4s2, 3d6

c. after 4s, it is 3d and then 4p the correct configuration is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6.

Hope it helps you 。◕‿◕。


Related Questions

[10 pts]Iron and vanadium both have the BCC crystal structure and V forms a substitutional solid solution in Fe for concentrations up to approximately 20 wt.% V at room temperature. Determine the concentration in weight percent of V that must be added to iron to yield a unit cell edge length of 0.289 nm.

Answers

Answer:

The answer is below

Explanation:

The unit cell edge length (a) = 0.298 nm = 0.289 * 10⁻⁷ cm

The unit volume (V) = a³ = (0.289 * 10⁻⁷ cm)³ = 24 * 10⁻²⁴ cm³

There are 2 atoms per cell, hence N = 2. Also, [tex]n_a=avogadro\ constant=6.02*10^{23}\ mol^{-1}[/tex]

[tex]atomic\ weight\ of\ iron(A_f)=55.85,atomic\ weight\ of\ vanadium(A_V)=50.94,[/tex]

[tex]density\ of\ iron(\rho_f)=7.87,density\ of\ vanadium(\rho_v)=6.1.\\\\V=\frac{nA_{av}}{n_a\rho_{av}} \\\\A_{av}=\frac{100}{C_v/A_v+C_f/A_f} \\\\\rho_{av}=\frac{100}{C_v/\rho_v+C_f/\rho_f} \\\\C_v=concentration\ of\ vanadium,C_f=concentration\ of\ iron.\\\\V=\frac{nA_{av}}{n_a\rho_{av}}=\frac{n*\frac{100}{C_v/A_v+C_f/A_f}}{n_a*\frac{100}{C_v/\rho_v+C_f/\rho_f}}\\\\[/tex]

[tex]24*10^{-24}=\frac{2*\frac{100}{C_v/50.94+C_f/55.85}}{6.02*10^{23}*\frac{100}{C_v/6.1+C_f/7.87}}\\\\7.2=\frac{C_v/6.1+C_f/7.87}{C_v/50.94+C_f/55.85}\ \ \ (1) \\\\Also:\\\\C_v+C_f=100\%\ \ \ (2)\\\\\\solving\ equation\ 1\ and\ 2\ simultaneously\ gives:\\\\C_v=10\% \ and\ C_f=90\%\\\\[/tex]

Which of the following is the least important property of a mineral?
A streak
B hardness
C luster
D color

Answers

Explanation:

Türküm lben .Türk varmi kardaşlar!!!

Answer:

D color

Explanation:

One physical test for minerals is to check their color. Certain kinds of minerals always have a similar color, but most minerals have a range of colors. This is the least informative property of a mineral. Some words to describe color are: pale, bright, streaked, splotchy, banded, and speckled.

This is from my school assignment good luck everyone!! :D

Draw a Lewis structure for SO2 in which all atoms have a formal charge of zero. Explicitly showing the zero charges is optional. Do not consider ringed structures.

Answers

Answer:

See explanation and image attached

Explanation:

"A formal charge (FC) is the charge assigned to an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms, regardless of relative electronegativity" (chemlibretext).

We can obtain the formal charge from the formula;

Formal Charge = [number of valence electrons on atom] – [non-bonded electrons + 1/2number of bonds].

A structure in which SO2 has a zero formal charge is attached to this answer.

Image credit: Chemtopper

The heat of vaporization of water at the normal boiling point, 373.2 K, is 40.66 kJ/mol. The molar heat capacity of liquid water is 75.37 J K-1 mol-1 and that of gaseous water is 36.4 J K-1 mol-1. Assume that these values are independent of temperature. What is the heat of vaporization of water at 300.2 K?

Answers

Answer:

[tex]\Delta _{vap}H(300.2K)=43,658\frac{J}{mol}=43.66\frac{kJ}{mol}[/tex]

Explanation:

Hello!

In this case, according to the Kirchhoff's law for the enthalpy change, it is possible to compute the heat of vaporization at 300.2 K by considering the following thermodynamic route:

[tex]\Delta _{vap}H(300.2K)=Cp_{liq}(T_b-T\°)+\Delta _{vap}H\°+Cp_{vap}(T-T_B)[/tex]

Whereas the first term stands for the effect of taking the liquid from 298.15 K to 373.15 K, the second term stands for the standard enthalpy of vaporization and the last term that of the vapor from the boiling point to 300.2 K; thus we plug in to obtain:

[tex]\Delta _{vap}H(300.2K)=75.37\frac{J}{mol*K} (373.2K-298.15K)+40,660\frac{J}{mol} +36.4\frac{J}{mol*K}(300.2K-373.2K)\\\\\Delta _{vap}H(300.2K)=43,658\frac{J}{mol}=43.66\frac{kJ}{mol}[/tex]

Best regards!

PLZ HELP ASAP WILL GIVE BRAINLISTS TO RIGHT ANSWER

How many molecules of carbon dioxide are in 12.2 L of the gas at STP?

A) 3.28 x 10^23 molecules
B) 5.01 X 10^23 molecules
C)2.24 x 10^23 molecules
D)8.12 x 10^22 molecules

Answers

Answer:

c

Explanation:

ok than not c than b maybe

When 70.4 g of benzamide (C7H7NO) are dissolved in 850. g of a certain mystery liquid X, the freezing point of the solution is 2.7 C lower than the freezing point of pure X. On the other hand, when 70.4 g of ammonium chloride (NH CI) are dissolved in the same mass of X, the freezing point of the solution is 9.9 °C lower than the freezing point of pure X.

Required:
Calculate the van't Hoff factor for ammonium chloride in X.

Answers

Answer:

1.62

Explanation:

From the given information:

number of moles of benzamide  [tex]=\dfrac{70.4 \ g}{121.14 \ g/mol}[/tex]

= 0.58 mole

The molality = [tex]\dfrac{mass \ of \ solute (i.e. \ benzamide )}{mass \ of \ solvent }[/tex]

[tex]= \dfrac{0.58 }{0.85 }[/tex]

= 0.6837

Using the formula:

[tex]\mathbf {dT = l \times k_f \times m}[/tex]

where;

dT = freezing point = 27

l = Van't Hoff factor = 1

kf = freezing constant of the solvent

2.7 °C = 1 × kf ×  0.6837 m

kf = 2.7 °C/ 0.6837m

kf = 3.949 °C/m

number of moles of NH4Cl = [tex]\dfrac{70.4 \ g}{53.491 \ g /mol}[/tex]

= 1.316 mol

The molality = [tex]\dfrac{1.316 \ mol}{0.85 \ kg}[/tex]

= 1.5484

Thus;

the above kf value is used in determining the  Van't Hoff factor for  NH4Cl

i.e.

9.9 = l × 3.949 × 1.5484 m

[tex]l = \dfrac{9.9}{3.949 \times 1.5484 \ m}[/tex]

l = 1.62

If snails and crayfish die, what happens to the other species?

Answers

Crayfish are very intolerant of pollution and other human-generated fouling of their environment. ... This abundance may be due more to the acid-generated absence of fish which prey on crayfish than to a direct, positive influence of the acid on the crayfish itself.

Answer:

Other species will slowly die, because the species that eat snails and crayfish will not have anything to eat, then the thing that eats them will not have anything. This process will go on and on. So long story short populations will decrease, then off.

Which rule states that cracks on glass tend to form at a certain angle on the opposite side of the polnt of Impact?
The
rule states that cracks tend to form at a (n)
angle on the opposite side from the point of Impact.

Answers

Answer:

The 3R rule states that cracks tend to form at a (n) right angle on the opposite side from the point of impact.

Explanation:

Which of the following BEST describes how these elements would be classified?

A.
Element Q is a nonmetal and element R is a nonmetal.

B.
Element Q is a metal and element R is a metalloid.

C.
Element Q is a nonmetal and element R is a noble gas.

D.
Element Q is a metal and element R is a noble gas.

Answers

The answer is C!! Good luck!

I need help ASAP please giving brainliest!!

Answers

Answer:

Silver Lake Picnic Area, Or C

Explanation:

answer is top option, aka A

What determines the change of an ion formed by an atom

Answers

Answer:

Ions are formed when the number of protons in an atom does not equal the number of electrons. If more protons are present, the ion is positive and is known as a cation; if more electrons are present, the ion is negative and referred to as an anion. Ions are highly reactive species.

Explanation:

Answer:

An atom becomes charged when the number of protons does not equal the number of electrons. For example, if an element has six protons but only five electrons, the net charge of the element is +1. Conversely, if an element has six protons but seven electrons, then the net charge of the element is -1.

Explanation:

Find the Protons and Electrons for nitrogen -3 ion with 7 neutrons.

Answers

Answer:

protons: 7; electrons: 10

Explanation:

nitrogen atomic number=# of protons = 7 (doesn't change either in ion or in neutral)

# of electron in neutral N=7

N-3= three electrons are added, thus 7+3=10

I need points before I fail..
Protons 7 and electrons 10

Which is an example of maintaining structure?


Question 4 options:


healing a wound



sweating



all answers are examples of maintaining structure



keep from getting too cold

Answers

Answer: healing a wound

Explanation:

The healing of the wound is the example of maintenance of the structure. The wound is the injury which disturbs the continuity of the skin surface. It can affect the dermal and epidermal layer of the skin. The wound if severe or deep can damage the bones. The wound can be caused by the cut, blow or punch, impact or fall from height. The healing of the wound may take several days to weeks. The wound healing involves the replacement of the damaged or destroyed cells or tissues by new cells or tissues in the body or the wound site.

So I saw this question: If 28.0 grams of Pb(NO3)2 react with 18.0 grams of NaI, what mass of PbI2 can be produced? Pb(NO3)2 + NaI → PbI2 + NaNO3

I saw an answer that question but I need one part explained. The answer balanced the equation, but I do not know how they did that or why. They added a 2 to both sides and I do not know where it came from or why it made it balanced.

Answers

mass of PbI₂ = 27.6606 g

Further explanation

Given

Pb(NO₃)₂ + NaI → PbI₂ + NaNO₃

28.0 grams of Pb(NO₃)₂ react with 18.0 grams of NaI

Required

mass of PbI₂

Solution

Balanced equation

Pb(NO₃)₂ + 2NaI → PbI₂ + 2NaNO₃

The principle of a balanced reaction is the number of atoms in the reactants = the number of atoms in the product

mol Pb(NO₃)₂ :

= 28 : 331,2 g/mol

= 0.0845

mol NaI :

= 18 : 149,89 g/mol

= 0.12

Limiting reactant : mol : coefficient

Pb(NO₃)₂ : 0.0845 : 1 = 0.0845

NaI : 0.12 : 2 = 0.06

NaI limiting reactant (smaller ratio)

mol PbI₂ based on NaI

= 1/2 x 0.12 = 0.06

Mass PbI₂ :

= 0.06 x 461,01 g/mol

= 27.6606 g

is microorganisms bigger or particles bigger

Answers

Answer:

particles bigger

Explanation:

Even when compared with animal cells, microorganisms become smaller. They are about 1/10 the size of a typical human cell. Therefore, compared with human-sized animal cells, the size of bacteria (such as bacterial cells) will be the size of a cat or puppy. The size of the virus is about 1/10 of that of other microorganisms such as bacteria.

Hope it helps. If not, I'm so sorry.

Answer:

particles are bigger than microorganism

How many F atoms are in this compound? 6MgF2 12 6 8 2​

Answers

Answer:

5.0×1022 sa taas po yang 22


______ is required for making a scientific inquiry

Answers

Understanding the natural world

Which of the following is a list of the minimum amount of data needed for determining the molar enthalpy of solution of KCl(s) in pure H2O(1) ? (Assume that the KCl(aq) has the same specific heat capacity as pure water and that the initial temperatures of the KCl(s) and the water are the same.)
(A) Mass of KCl(s), initial temperature of the water, and final temperature of the solution
(B) Mass of H20, initial temperature of the water, and final temperature of the solution
(C) Mass of KCl(s), mass of H20, initial temperature of the water, and final temperature of the solution
(D) Mass of KCl(s), mass of H20, initial temperature of the water, final temperature of the solution, and atmospheric pressure

Answers

Answer:

 (C) Mass of KCl(s), mass of H20, initial temperature of the water, and final temperature of the solution

Explanation:

molar enthalpy of solution of KCl(s) is heat evolved or absorbed when one mole of KCl is dissolved in water to make pure solution . The heat evolved or absorbed can be calculated by the following relation.

Q = msΔt where m is mass of solution or water , s is specific heat and Δt is change in temperature of water .

So data required is mass of water or solution , initial and final temperature of solution , specific heat of water is known .

Now to know molar heat , we require mass of solute or KCl dissolved to know heat heat absorbed or evolved by dissolution of one mole of solute .

The correct option is option C.

To determine the molar enthalpy of the solution of [tex]Kcl(s)[/tex] is pure [tex]H_2O(l)[/tex]

We need to know that the,

grams of [tex]Kcl(s)[/tex]  grams of [tex]H_2O[/tex]  Initial temperature of [tex]H_2O[/tex]  The final temperature of the solution.  

Learn More:https://brainly.com/question/25758173

PLS HELLPPPP
Which of the following objects would have the greatest gravitational attraction between them if they were set 3.0 km apart?
A .20kg object and a 200kg object
A 10kg object and a 100kg object
A 30kg object and a 200,000kg object
A 400,000 kg object and a 100,000,000kg object

Answers

Answer:

A 400,000 kg object and a 100,000,000kg object

Explanation:

The objects with the most mass between them will have the greatest gravitational attraction.

This is why the last option is the right choice.

The reason for this is based on the Newton's law of universal gravitation which states that:

 "the gravitational force of attraction between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them".

So, the more the mass, the greater the gravitational attraction between two bodies.

Calculate the number of oxygen atoms in a 50.0g sample of scheelite CaWO4

Answers

Answer:

0.696 atoms of oxygen

Explanation:

We'll begin by calculating the number of mole in 50 g of scheelite CaWO₄. This can be obtained as follow:

Mass of CaWO₄ = 50 g

Molar mass of CaWO₄ = 40 + 184 + (4×16)

= 40 + 184 + 64

= 288 g/mol

Mole of CaWO₄ =?

Mole = mass / Molar mass

Mole of CaWO₄ = 50 / 288

Mole of CaWO₄ = 0.174 mole

Finally, we shall determine the number of oxygen atom in 50 g (i.e 0.174 mole) of CaWO₄. This can be obtained as follow:

1 mole of CaWO₄ contains 4 atoms of oxygen.

Therefore, 0.174 mole of CaWO₄ will contain = 0.696 atoms of oxygen.

Thus, 50 g (i.e 0.174 mole) of CaWO₄ contains 0.696 atoms of oxygen.

In addition to liquid precipitation, which are present when freezing rain occurs?

ice pellets
snowflakes
cold surfaces
warm temperatures

Answers

Answer:

I believe the correct answer is cold surfaces.

Explanation:

Answer:

C

Explanation:

Draw the electron configuration for a neutral atom of nitrogen.

Answers

Answer:

1s22s22p3.

Explanation:

Electronic configuration of a neutral atom is 1s22s22p3.  

Please see the image attached

 

Neutral atom of nitrogen will have equal number of proton and electron i.e equal to 7. 7 electron of the nitrogen are placed into the s and p orbitals in the ground state.  

Plz help ASAP i will give brainlists

2AgNO3 + BaCl2 + 2AgCl + Ba(NO3)2
How many grams of silver chloride are produced from 15.0 g of silver nitrate reacting with an excess of barium chloride?
A)9.44 g Agci
B)16.4 g Agci
C)12.7 g Agci
D)0 20.1 g Agci

Answers

The correct answer is C!

Which is the closest antonym for the word enhance?

A prolong

guarantee

C

diminish

salvage

Answers

Answer:

C. Diminish.

Explanation:

An antonym is the opposite meaning of a given word. It is the word that gives the complete opposite meaning of the given word.

The word "enhance" means "to increase, intensify, magnify, to make it more than it already is" etc. So, the antonym of that word will be "to diminish, to reduce, to prevent" etc.

Thus, the correct answer is option C.

When H2(g) reacts with F2(g) to form HF(g) , 542 kJ of energy are evolved for each mole of H2(g) that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation. Note that the answer box for the energy term is case sensitive. Use the SMALLEST INTEGER coefficients possible and put the energy term (including the units) in the last box on the appropriate side of the equation. If a box is not needed, leave it blank.

Answers

Answer:

[tex]H_2+F_2\rightarrow 2HF+542 kJ[/tex]

Explanation:

Hello!

In this case, since exothermic reactions evolve or release energy when undergone, we infer that the energy is part of the products as it is a result of the reaction; thus, for the described reaction we should set it up as follows:

[tex]H_2+F_2\rightarrow 2HF+542 kJ[/tex]

However, if the reaction absorbs energy, the energy associated to the reaction is put at the reactants side, keeping in mind that it would be an endothermic reaction.

Best regards!

If the flour mixture is then taken and put into the oven for about 20 minutes, it turns into something very tasty. What kind of change has happened now?

Answers

Answer:

physical change

Explanation:

i got the same question sorry for the late response but that's the answer good luck

To save on heating bills, do you think the roof of a building should be lined with

1. a thermal conductor

2. a thermal insulator

3. nothing

Answers

A thermal insulator because it would keep the heat in

Answer:

2. a thermal insulator

Explanation:

To save on heating bills, the roof of a building should be lined with a thermal insulator.

A thermal insulator will help prevent the house from loosing the heat trapped within the house.

An insulator is a substance or device that does not allow for the conduction of heat and electricity. In this problem, an insulator does not allow for heat conduction. A conductor will allow heat pass through readily. So, to trap heat within the house, an insulator is best used.

Calculate how much heat is absorbed by a sample that weighs 12 kilograms, has a specific heat of 0.231 kg/CJ, and is heated from 45 K to 80 K.
PLEASE ANSWER 20 POINTS

Answers

Answer:

97 J

Explanation:

Step 1: Given data

Mass of the sample (m): 12 kgSpecific heat capacity (c): 0.231 J/kg.°C (this can also be expressed as 0.231 J/kg.K)Initial temperature: 45 KFinal temperature: 80 K

Step 2: Calculate the temperature change

ΔT = 80 K - 45 K = 35 K

Step 3: Calculate the heat required (Q)

We will use the following expression.

Q = c × m × ΔT

Q = 0.231 J/kg.K × 12 kg × 35 K = 97 J

Write a description of how you know a chemical reaction is occurring.


ANSWER FAST FIRST PERSON GETS BRAINLIEST

Answers

Answer:

See explanation

Explanation:

Chemical reactions are also referred to as chemical change. A chemical change often leads to the formation of new substances and is not easily reversible.

A chemical reaction may be accompanied by the emission of heat and light, formation of a precipitate, evolution of gas, or a color change.

These observable physical effects may tell us weather a chemical reaction has taken place or not so we have to observe the system closely for any of these effects stated above.

You'll be given 100 points if you answer this question!!!!!!!!!!!!

3.
What do we call materials
that let heat pass through
them easily?
Thermal conductors
Thermal insulators
Transparent
4.
Which of these is a good
thermal conductor?
Plastic
Wood
Steel
5.
Which of these is a good
thermal insulator?
Steel
Iron
Polystyrene
6.
To save on heating bills, do
you think the roof of a
building should be lined with
a thermal conductor
a thermal insulator
nothing
7.
How does heat travel?
From cold things to hotter things
From hot things to colder things
Between things of the same temperature

Answers

Answer:conducts ,steel, polystyrene, thermal insulation

Explanation:

Other Questions
A hardware store owner has 1,152 screws. If she wants to put them in packages of 32, how many packages can she make?ples hurry i need answer ASAP As in mitosis, in meiosis the chromosomes move toward opposite poles of acell inA. telophaseB. metaphaseC. prophaseD. anaphaseThink is A but not sure How much work is done in pushing a 10kg box, 2.0m to the rightwith a force of 20.0N? Create a number story that involves multiplying the factors twenty-three and fifty. Then, give a written explanation of how you could solve the problem. PLEASE I NEED THIS ASAPWrite a paragraph describing the location of the major population centers in Egypt. Make note of their proximity to physical features or other natural resources. What characteristics do these locations have in common? S=-100w+1050 X intercept How many degrees warmer is Knowlton thanGainesville Knowlton-12cGainesville-9c cooler Sumner sold equipment that it uses in its business for $31,200. Sumner bought the equipment a few years ago for $79,400 and has claimed $39,700 of depreciation expense. Assuming that this is Sumner's only disposition during the year, what is the amount and character of Sumner's gain or loss A new watch costs $120 at the store. If it goes on sale for 75% off and has a sales tax of 6%, what is the final cost of the watch? Help please with this problem! To the nearest hundredth, what is the length of the diagonal of the prism Why are protists discussed in groups like animal, plant, fungus If anyone is good at Spanish please help me I would appreciate it Lee los consejos de esta cocinera y compltalos con los verbos del cuadro enforma de mandato. [tex]\sqrt{5\\}[/tex] PLEASE SOMEONE DO THIS!!!!! Its based on a book called the giver and also based on chapter 1-7. A researcher who spends numerous hours in schools to observe teenage children's behavior describes what method of research?a. naturalistic observationb. laboratory observationc. cross sectional method I need help with questions 7,9 and 10! :) Help me i beg u.Jessica is making metal sculptures to sell. A metal sculpture costs $24 to make and Jessica sells it toa retailer for a profit of 175%. If the retailer then marks up the sculpture by another 120%, howmuch will it cost someone to buy a sculpture in the shop? Need help with this badly!!