What type of bond exists when valence electrons are collectively attracted to positively-charged nuclei but are still mobile enough to travel among all of the nuclei?

a) ionic
b) metallic
c) covalent
d) London dispersion

Answers

Answer 1

Answer:

Ionic bond

Explanation:


Related Questions

Theoretical yield of NaHCO3 = Na + H2O + CO + CO2

Answers

Answer:

C - 2 e- → C

Explanation:

2 NaHCO3 → 2 Na + H2O + -1 CO + 3 CO2

2 NaI + 2 e- → 2 Na0

C - 2e - C

Calculate the relative formula mass for KMnO4

Answers

Explanation:

please mark me as brainlest

Cell division resulting in two new nuclei having the same number of chromosomes as the
original nucleus is called

Answers

Cell division resulting in two new nuclei having the same number of chromosomes as the

original nucleus is called mitosis

Consider the molecule below. Determine the molecular geometry at each of the 2 labeled carbons. HELP ME PLEASE ASAP

C1 = trigonal planar, C2 = bent
B
C1 = trigonal planar, C2 = tetrahedral
C
C1 = bent, C2 = trigonal planar
D
C1 = tetrahedral, C2 = linear

Answers

The hybridization state of the atom determines its shape in the molecule. C1  is sp2 hybridized and has trigonal planar geometry while C2 is sp3 hybridized and has a tetrahedral geometry.

The shape of a molecule or a moiety in a molecule is determined by the number of electron pairs that are present on the valence shell of the central atom in the molecule.

The hybridization state of the atom also determines the shape of the atom. In the compound, the carbon atom labelled 1 is sp2 hybridized so it will have a trigonal planar geometry. The carbon atom labelled 2 is sp3 hybridized hence it is tetrahedral.

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NEED HELP ASAP!!!!!!!!!!!!

Answers

B.) The electron furthest from the nucleus can be found on the third energy level

Why is the nitrogen group considered a mixed group?

Answers

Explanation:

The nitrogen group is considered mixed because it is composed of elements of equally different classifications of metal, non-metal, and metalloids.  The group contains the nonmetals nitrogen (N), and phosphorus (P), the metalloids arsenic (As) and antimony (Sb), and the metals bismuth (Bi) and Moscovium (Mc).

In periodic table, metal, nonmetal and metalloids are mixed in group is know to be mixed group. Nitrogen group is mixed.

Define periodic table?

The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number. There are five parts in periodic table Component Groups, Ionic Bonds, element periods, and so forth, ionic bonds and Bonds made of metal.

The nitrogen group is said to be mixed because it is contains metal, nonmetal and metalloids. Elements can be classified into metal, non-metal, and metalloids.  Nitrogen group mixed group contains the nonmetals nitrogen (N), and phosphorus (P), the metalloids arsenic (As) and antimony (Sb), and the metals bismuth (Bi).

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help plss——————
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Answers

X = 2.4
Y = 2.7
Z = 2.8.2

the answer is Z because Z is from group 2 which is an alkaline earth metals element

nyatakan maksud bagi kation​

Answers

lanuage ? lanuage ? lanuage ?

A kation adalah ionik spesies dengan cas positif. Perkataan "cation" berasal dari perkataan Yunani "kato," yang bermaksud "turun." Kation mempunyai lebih banyak proton daripada elektron , memberikan muatan positif bersih.

A train travels 18 kilometers in 12 minutes. At this rate, how far does the train travel in 1 minute?

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

Distance covered in 12 minutes = 18 km, now

Unit rate is equal to :

[tex] \dfrac{18}{12} [/tex]

[tex] \dfrac{3}{2} [/tex]

[tex]1.5 \: \: \: km \: \: per \: \: minute[/tex]

The train travels 1.5 km in 1 minute time interval.

Answer:

[tex]\huge\boxed{\sf 1\ minute = 1.5\ kilometers}[/tex]

Explanation:

12 minutes = 18 kilometers

Divide both sides by 12

12/12 minutes = 18/12 kilometers

1 minute = 3/2 kilometers

1 minute = 1.5 kilometers

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

Which, if any, of the substances had resonance structures? How many resonance structures did each substance have?

Answers

SO2, NO2- and CO2 all have resonance structures among all the other species that were mentioned in the question.

The question is incomplete, the complete question is;

Which if any, of the substances had resonance structures? How many resonance structures did each substance have?

CCl4  ,H2O, CO2  ,H2O  ,CH4  ,C2H4  ,CH2O  ,CH3OH  ,CH3NH2  ,NF3  ,[NH4]+ ,[NO2]-  ,SO2 , OF2  ,H2S  ,SF6 , ICl5

Resonance is an idea introduced by Linus Pauling to explain the bonding in compounds where a single Lewis structure can not fully account for the bonding in the molecule. In such compounds, no single Lewis structure satisfactorily explains all the properties of the molecule.

Among the options listed, the following molecules exhibit resonance;

SO2 (two resonance structures)NO2- (two resonance structures)CO2 (three resonance structure)

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Most scientist believe the Big Bang Theory explain which of the following statements?

Answers

Answer: 1. How our universe began. 2. Fred Hoyle.

Explanation: Hope this helps

Most scientist believe the Big Bang Theory explain  how our universe began and is denoted as option B.

What is Big bang theory?

This theory talks about how a single point began to expand which resulted in the formation of the universe.

It was coined by Fred Hoyle thereby making it the most appropriate choice in this scenario.

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Which statement best describes the effect of radioactive decay on a nucleus?(1 point)


The resulting nucleus is more stable than the original nucleus. The nucleus must be of the same element as the original.


The resulting nucleus is more stable than the original nucleus. The nucleus can be of a different element than the original.

The resulting nucleus is less stable than the original nucleus. The nucleus can be of a different element than the original.


The resulting nucleus is less stable than the original nucleus. The nucleus must be of the same element as the original.

Which phrase best describes nuclear fusion?(1 point)


a series of reactions in which particles from one reaction trigger the next reaction

the process by which small nuclei combine into a larger nucleus



the spontaneous emission of radiation from an unstable nucleus

the process by which a large nucleus is divided into smaller nuclei

Plss help
thx

Answers

Answer: There you go.

Explanation:

These types of decay involve the nuclear capture of electrons or emission of electrons or positrons, and thus acts to move a nucleus toward the ratio of neutrons to protons that has the least energy for a given total number of nucleons. This consequently produces a more stable (lower energy) nucleus.

When radioactive decay occurs, the original nucleus splits into daughter nuclei and the resulting nucleus is more stable than the original nucleus. The nucleus can be of a different element than the original.

Unstable nuclei often undergo radioactive decay. In a radioactive decay, the unstable nucleus is broken up into other nuclei. Usually, the nuclei formed during radioactive decay are smaller in mass compared to the original nucleus.

Also, the resulting nucleus is more stable than the original nucleus. The nucleus can be of a different element than the original.

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2. 31.5 g NH4Cl (s) is dissolved in 500. mL H20, initially at 23.0 °C. Determine the final
temperature of the resulting solution.

Answers

Answer:

the temp of nitrogen is the answer

does iron and lead oxide react vigorously

Answers

Answer:

Fe will displace On but no the reaction is not vigorous.

why should bunsen burners not be used when heating organic materials?

Answers

Answer:

Many organic compounds are very flammable.

Explanation:

Because we do not want to inadvertently ignite chemicals and cause a fire or explosion. Most organic chemicals are incompatible with inorganic chemicals, and certain mixtures can cause violent reactions.

differentiate between nuclear charge and effective nuclear charge​

Answers

hope it helps ..............

A spiracle ball of lead has a diameter of 3.5 cm. What is the mass of the sphere if lead has a density of 11.34 g

Answers

Answer:

mass =  volume  x   density

volume = πr²

   since Diameter = 3.5 cm

   then   radius = 1.75cm

∴ volume  =  π  x  (1.75cm)³

                ≈  16.8369731 cm³

Thus mass  =  16.8369731 cm³  x  11.34  g / cm³

                   =  190.93 g

what are x and y in the reaction shown?

ammonium chloride + solution x - alkaline gas y​

Answers

Answer: im not sure rlly what u mean but x is the answer?

Explanation:

How does avogadro relate to Mole Day.

Answers

Answer:

How is Avogadro constant related to mole?

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant.

Explanation:

An icecube is placed in the sun. Later there is a puddle of water. Later still the puddle is gone

Answers

Answer:

That's called an physical change which is an change in the state of matter

Explanation:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.

A front is a boundary between two _________ ________. *
A. Bodies of land
B. Bodies of water
C. Air masses
D. Cloud sides

Answers

Answer: c

Explanation:

Answer:

C. Air masses

Explaination :

depending on the air masses involved and which way the fronts move, fronts can be either warm, cold, stationary, or occluded.

What pressure is required to achieve a CO2 concentration of 0.0620 mol L−1 at 20∘C?

Answers

Considering the definition of ideal gas law,  a pressure of 1.5 atm is required to achieve a CO₂ concentration of 0.0620 mol L⁻¹ at 20°C.

An ideal gas is a theoretical gas that is considered to be composed of point particles that move randomly and do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.

An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T). The relationship between them constitutes the ideal gas law, an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar constant of the gases:

P×V = n×R×T

So the pressure is calculated as:

[tex]P=\frac{n}{V}xRxT[/tex]

In this case, you know:

[tex]\frac{n}{V} = 0.0620 \frac{mol}{L}[/tex]R= 0.082 [tex]\frac{atmL}{molK}[/tex]T= 20 C= 293 K

Replacing:

P=0.0620 [tex]\frac{mol}{L}[/tex]× 0.082 [tex]\frac{atmL}{molK}[/tex]× 293 K

Solving:

P= 1.489612 atm≅ 1.5 atm

Finally, a pressure of 1.5 atm is required to achieve a CO₂ concentration of 0.0620 mol L⁻¹ at 20°C.

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what did werner heisenberg discover about the atom

Answers

he discovered the uncertainty principle

Which quantity determines how two atoms bond? (1 point)
O the difference in the number of valence electrons
o their total number of valence electrons
o the sum of their electronegativities
O the difference in their electronegativities

Answers

The quantity which determines how two atoms bond is; The difference in their electronegativities.

The electronegativity value of an element is a measure of its electron affinity.

In essence, the electronegativity value of an element determines if the element is an electron donor or acceptor.

Ultimately, the difference between the electronegativities of two atoms determines how the atoms bond.

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why are ionic solids brittle

Answers

Answer:

-The ionic solids are hard and brittle because the ions in ionic solids are held in a lattice due to the electrostatic forces of attraction in cations and anions as well as the repulsion with the like charges. ... Because the ionic solids are localized, these solids tend to be stiff and brittle like covalent solids.

Explanation:

Aeration basins increase the rate of bacteria working to break down the organic matter in wastewater. True or False?

Answers

Answer:

it is true

Explanation:

Aeration basins increase the rate of bacteria working to break down the organic matter in wastewater is true.

What is aeration basins?

Aeration basins is defined as the biomass consumes both oxygen and organic pollution, resulting in net microorganism growth and carbon dioxide release.

It can also be defined as the process of introducing air into wastewater in order to allow aerobic bio-degradation of pollutant components.

Aeration is frequently used to reduce the amount of carbon dioxide released by a treatment process.

It is the best methods for waste water treatment .

The main disadvantage of the aeration process is that too much oxygen is absorbed and the water becomes corrosive.

Thus, aeration basins increase the rate of bacteria working to break down the organic matter in wastewater is true.

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PLEASE HELP
ONE WRITTEN QUESTION
NO LINKS!!!!!!!!

- Using the graph above, describe the connections between temperature of a solvent and the solubility of a solute that is a solid.​

Answers

Answer: The higher the temperature the easier a solid will dissolve.

Explanation: This is because the heat 'excites' the solvent making it easier for it to break apart/ split away from each other

What is the maximum numbers of orbitals in the p sublevel

Answers

Answer:

3

Explanation:

hope the picture helps you to understand :)

Order the following phases of matter from the phase with the most space between the
atoms to the least space between the atoms.

Answers

Answer:

Gas>Liquid>Solid

Explanation:In a gas state, molecules are allowed to move freelyand  rarely collide into nearby particles. In a liquid state, the molecules are contained within the liquid and occasionally bump into each other. now in a solid state the atoms arrange themselves into a structure that the atoms sit very tightly next to each other, sometimes vibarating

chemical properties of Carbon iv oxide​

Answers

Explanation:

Carbon Dioxide is a colorless, odorless, incombustible gas resulting from the oxidation of carbon. Carbon dioxide appears as a colorless odorless gas at atmospheric temperatures and pressures. Heavier than air and may asphyxiate by the displacement of air.

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