which statement is not true about ionic bonds

Answers

Answer 1

Ionic bonds do not follow the rule that an ion has the same number of electrons as a nonionic atom of the same element.

Chemical bonds known as ionic bonds produce two ions with opposing charges. The entire transfer of valence electrons between atoms is referred to be this bonding. A molecule or compound is created when two atoms combine through a chemical link. Furthermore, they are connected by this relationship. The fact that this link can be ionic or covalent is most notable. Ionic bonds also involve the donation of an electron from one atom to another for stability. In covalent connections, however, the electrons and the atoms are shared. Between a metal and a non-metal, an ionic connection develops in which the non-metal draws the electron from the other atom.

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Related Questions

which properties should Beryllium (Be) have?

A. Liquid
B. Low melting point
C. Shiny
D. Poor conductor

Answers

Answer: low melting point



Explanation: its an earth metal
The answer: is B low melting point


❤️❤️❤️

What causes the expression of a recessive trait? one dominant and one recessive factor (allele) one dominant gene two recessive factors (alleles) two dominant factors (alleles)

Answers

Answer: i think it’s two recessive alleles

Explanation:

Answer:Two recessive alleles is correct

Explanation:

I TOOK THE TEST (k-12 student) TwT

9.) How many grams of phosphorus can be recovered
from 245.0 g triphosphorus pentanitride?
a.) 139.7 g
b.) 105.3 g
c.) 57.01 g

Answers

According to stoichiometry as 162.955 g of phosphorous pentanitride has 92.919 g of phosphorous , thus 245 g of phosphorous pentanitride   will have 139.7 grams of phosphorous.

What is stoichiometry?

Stoichiometry is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.It is important as it helps the chemical reactions to obey law of conservation of mass.

As  162.955 g of phosphorous pentanitride=92.919 g of phosphorous

∴ 245 g of phosphorous pentanitride   =245×92.919/162.955=139.702 g.

Thus, 139.702 g  of phosphorus can be recovered from 245.0 g triphosphorus pentanitride.

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1. A student mixes two liquids together and notices that a white solid has formed
at the bottom of the container.
What can the student conclude?
1. A precipitate has formed.
2. A physical change has occurred.
3. A chemical reaction has occurred.
4. A chemical change has occurred.

Answers

Answer:

3. A chemical reaction has occured

A student mixes two liquids together and notices that a white solid has formed at the bottom of the container which means precipitate has formed.

What is precipitation reaction ?

Precipitation is the process of creating an insoluble compound in chemistry by either reacting two salts or altering the temperature to alter the solubility of the compound. Additionally, the solid that results from a precipitation reaction is referred to as "precipitate."Precipitation can be a sign that a chemical reaction has taken place, but it can also happen if the concentration of a solute is higher than its solubility. The process of small, insoluble particles aggregating together or forming an interface with a surface, such as the container wall or a seed crystal, is known as nucleation, and it occurs before precipitation.Precipitation is the process of transforming a liquid into a solid. A precipitant is a chemical that gives rise to a solid in a liquid solution. The term "precipitate" refers to the resulting solid. In the event that the molecule size of the insoluble compound is tiny or there is deficient gravity to attract the strong to the lower part of the compartment, the hasten might be equitably dispersed all through the fluid, shaping a suspension. Any process that separates the precipitate from the solution's liquid portion, known as the supernatant, is referred to as sedimentation. Centrifugation is a common technique for sedimentation. A "flower" is a powder that forms after the precipitate has been recovered.

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number 3 ...................​

Answers

It’s B



Silicon is used for electronic devices because it is an element with very special properties. One of it's most important properties is that it is a semiconductor.




1. Which functional group is found in an ester? (1 point)

Answers

Answer:

2nd one

Explanation:

Fact!

How many molecules are in 8.2 moles of water,H2o​

Answers

Answer:

4.938×10^24 molecules

Explanation:

a mole is 6.023×10^23

(8.2)×(6.023×10^23)=4.938×10^24

how do you balance equations?​

Answers

Answer:

In order to balance the chemical equation, you need to make sure the number of atoms of each element on the reactant side is equal to the number of atoms of each element on the product side. In order make both sides equal, you will need to multiply the number of atoms in each element until both sides are equal

Explanation:

Answer:

what he said so you can give him brainliest

Explanation:

What is the temperature?

Answers

Answer:

17.25 degrees

Explanation:

....but I cannot tell you if that is   °C    or    °F    <===== that is left out of the question.

Which phrase best describes an individual organ

Answers

Answer:

the answer is B

Explanation:

5. Write a paragraph about chemical reactions
in everyday life, that cause pollution of the
environment.​

Answers

Answer:

company smokes

wastes (liquid and solid)

PLEASE HELP
A student labels two 250 milliliter beakers with the letters A and B. She puts 100 milliliters of water in each of them. She adds some salt to beaker A and stirs until the salt dissolves completely. Then she adds another 50 milliliters of water to beaker A. She adds more salt to beaker B, and the salt in beaker B doesn't completely dissolve in the water even after much stirring. The solution in beaker A is The solution In beaker B is ​

Answers

Answer:

Solution B is saturated and solution A is unsaturated

Explanation:

Saturated solution contains the maximum concentration of a solute dissolved in the solvent (usually water) and if extra solute is added to saturated solution, that solute will not dissolve.

Unsaturated solution means that more of a substance can be dissolved (in this example salt).

If a balloon with a volume of 10L at 500kpa is heated until the balloon has a temperature of 300°C, 750atm and now has a volume of 100mL. What was the original temperature of the balloon (in °C)

Answers

Answer:

103.6°C

Explanation:

We solve this problem, with the Ideal Gases Law. We know that moles of gas are not changed through time.

P . V = n . R . T

So n (number of moles) and R (Ideal Gases constant) are the same, they are cancelled. In the two different states, we can propose:

P₁ . V₁ / T₁ = P₂ . V₂ /T₂

We need to make some conversions:

100 mL . 1 L/ 1000mL = 0.1L

500 kpa . 1atm / 101.3 kPa = 4.93 atm

300°C + 273 = 573 K

We replace data:

4.93 atm . 10L / T₂ = 750 atm . 0.1L / 573K

4.93 atm . 10L = (750 atm . 0.1L / 573K) . T₂

(4.93 atm . 10L) / (750 atm . 0.1L / 573K) → T₂

T₂ = 376.65 K

We convert K to °C →  376.65 K - 273 = 103.6 °C

How many grams of sodium are in 2.10 x1022 atoms of sodium?
preferably on picture so i can see your work

Answers

Answer:

124

Explanation:

412345+-424443+2432

Which one is it? It’s in my science class and i have no idea

Answers

Answer:

More energy then closer electrons.

Explanation:

As electrons move away from the nucleus, their energy increases.

potassium solid and aqueous zinc chloride react to produce what?​

Answers

K (s) + ZnCl (aq) ====》 KCl ( aq) + Zn (s)

4.What system is the system that takes in oxygen and releases carbon dioxide.


skeletal

muscular

circulatory

respiratory

Answers

The respiratory system would be the best answer here (although one could argue that the circulatory system technically fits the bill as well).

What are the major parts of the ecosystem

Answers

Answer:

Ecosystems have lots of different living organisms that interact with each other. The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants.

Explanation:

Hope this helps

The actual value for absolute zero in degrees Celsius is −273.15. Use the formula below to determine your percent error for both gas samples.
|experimental value – actual value| x 100
actual value


Please just tell me how to find the experimental value

Answers

Answer:

As you noticed, the percent-error formula needs you to use a value in the ... The actual absolute zero is 275C below my coldest recorded value. ... The only way your calculations makes sense is you're trying to calculate how ... Next, I'll interpret "I found that AZ is at -258°C" as "I calculated AZ to be 260 degrees below 2°C".

Explanation:

The experimental error will be 8.95%

Calculating percentage error.

The formula  used for calculating the percentage error is expressed as:

[tex]\% error=\frac{|exp. \ value - actual \ value|}{actual \ value} \times 100[/tex]

Given the following parameters

Actual value = −273.15 degrees Celcius

Let the experimental value be 300 degrees Celcius (since we are not given)

[tex]\% error=\frac{|300 - 273.15|}{300} \times 100\\\% error=\frac{|26.85|}{300} \times 100\\\% error=8.95\%[/tex]

Hence the experimental error will be 8.95%

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The attraction between water molecules and a Nation or a Clion occurs because water molecules are —
A.
nonpolar
B
symmetrical.
С
polar.
D
linear.

Answers

Answer:

answer is

c. Polar

hope this helps

Which one is the right answers?

Answers

I believe its Sodium Chloride.
I hope that helps!

A gas has three initial measurements: temperature 306 K, pressure 740 mm Hg, and volume 36 mL. The gas's temperature is increased to 850 K while its pressure is increased to 1750 mm Hg. What is the new volume of the gas in mL?

Answers

Answer:

The new volume of the gas is 42.28 mL.

Explanation:

Gay Lussac's law indicates that when there is a constant volume, as the temperature increases, the pressure of the gas increases. And when the temperature is decreased, the pressure of the gas decreases. This law can be expressed mathematically as follows:

[tex]\frac{P}{T}=k[/tex]

where k = Constant

Boyle's law says that "The volume occupied by a given gaseous mass at constant temperature is inversely proportional to pressure." This law is expressed mathematically as:

P * V = k

Finally, Charles's Law indicates that as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases. In summary, Charles's law is a law that says that when the amount of gas and pressure are kept constant, the quotient that exists between the volume and the temperature will always have the same value:

[tex]\frac{V}{T}=k[/tex]

Combined law equation is the combination of three gas laws called Boyle's, Charlie's and Gay-Lusac's law:

[tex]\frac{P*V}{T}=k[/tex]

Studying an initial state 1 and a final state 2, it is satisfied:

[tex]\frac{P1*V1}{T1}=\frac{P2*V2}{T2}[/tex]

In this case:

P1= 740 mmHgV1= 36 mLT1= 306 KP2= 1750 mmHgV2= ?T2= 850 K

Replacing:

[tex]\frac{740 mmHg*36 mL}{306 K}=\frac{1750 mmHg*V2}{850 K}[/tex]

Solving:

[tex]V2=\frac{850 K}{1750 mmHg} *\frac{740 mmHg*36 mL}{306 K}[/tex]

V2= 42.28 mL

The new volume of the gas is 42.28 mL.

5 - What is the pH of a solution with a
pOH of
8.6? What are the [+] and [OH']
concentrations?

Answers

Answer:

the pH solution is 4.9.

[[tex]H^{+}[/tex](aq)] = [tex]10^{-pH}[/tex]

Explanation:

The solution is 4.9

The boiling process is considered to be____

Answers

your answer is D. physical change, because a new substance is not formed.

The boiling process  is considered to be a physical change as no new substance is formed.

What is a physical change?

Physical changes are defined as changes which affect only the form of a substance but not it's chemical composition. They are used to separate mixtures in to chemical components but cannot be used to separate compounds to simpler compounds.

Physical changes are always reversible using physical means and involve a change in the physical properties.Examples of physical changes include melting,boiling , change in texture, size,color,volume and density.Magnetism, crystallization, formation of alloys are all reversible and hence physical changes.

They involve only rearrangement of atoms and are often characterized to be changes which are reversible.

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Please help me pretty please

Answers

Answer:

The answer would probably be C. The clock can be seen and heard.

How many mL are in 5.000 L

Answers

Answer:

Start off and multiply the volume value by 1000,

so that would mean

5000 x 1000

= 5,000,000 mL

A sample of unknown gas has a temperature of 378k. When the temperature is increased to 546k,the volume also increases to 1047 ml. What was the original volume ?

Answers

Given :

A sample of unknown gas has a temperature of 378 K.

[tex]T_i = 378 \ K , \ T_f = 546 \ K[/tex]

When the temperature is increased to 546 K, the volume also increases to 1047 ml.

[tex]V_f - V_i = 1047 \ ml[/tex]

Solution :

We know, temperature is directly proportional to volume.

[tex]\dfrac{T_i}{T_f}=\dfrac{V_i}{V_f}\\\\\dfrac{T_i}{T_f} = \dfrac{V_i}{1047 + V_i}\\\\\dfrac{V_i}{1047+V_i}=\dfrac{378}{546}\\\\546V_i = 378V_i + 378\times 1047\\\\168V_i = 3,95,766\\\\V_i = 2,355.75\ ml[/tex]

Therefore, the original volume is 2.355.75 ml.

10g of marble was added to 15 grams of dilute hydrochloric acid, product formed is calcium chloride, water and carbon dioxide. which of the following is true?

Answers

Answer:

Hydrochloric acid is the excess reactant

Explanation:

I got it right lol

The correct answer is Option B.

Hydrochloric acid is the excess reactant.

Explain about exothermic reaction?An exothermic reaction is one in which energy is given off as heat or light. In contrast to an endothermic reaction, which draws energy from its surroundings, an exothermic reaction transfers energy into the environment.Calcite in marble and limestone dissolves when sulfurous, sulfuric, and nitric acids in polluted air and rain react with it. We observe roughened surfaces, the removal of material, and the loss of carved details in exposed areas of buildings and statues.Because of its basic nature, the calcium carbonate in marble neutralizes the hydrochloric acid in the reaction described above. A base is defined as "a compound that reacts with an aqueous solution of an acid to produce a water and salt solution in which the salt gets separated into its component ions." Any extra salt that remains after a given salt solute has saturated the aqueous solution precipitates out of the solution.

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Which pieces of equipment are
needed to calculate the velocity of a
falling object?
A stopwatch and balance
B speedometer and magnet
C compass and tape measure
D tape measure and stopwatch

Answers

D is the correct answer

In an ideal situation where no heat energy is produced, what is the relationship between the chemical energy provided by the battery and the electrical energy produced according to the Law of Conservation of Energy?

Answers

Answer:

See explanation

Explanation:

The principle of conservation of energy states that energy can neither be created nor destroyed but can be converted from one form to another. Hence, chemical energy in a battery can be converted to electrical energy.

Usually, the conversion of energy from one form to another is not 100% efficient according to the second law of thermodynamics. Some energy is wasted in the process, sometimes as heat.

Hence, in an ideal situation where no heat energy is produced; all the chemical energy is converted to electrical energy (100% energy conversion). There will be no energy loss if no heat is produced.

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