# Which factor has the strongest influence when determining coulombic attraction?

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In an atom, the most important factors that influence the force, as calculated by Coulomb’s equation, are the nuclear charge and the distance from the nucleus to the electron of interest. The closer an electron is to a nucleus, the stronger the attractive force (i.e. the more negative F becomes).

## What factor most greatly affects coulombic attraction?

The size of the charge also affects the coulombic attraction. When there is a high number of protons, the positive charge increases. The increase in positive charge improves the strength of the nucleus and is able to pull the electrons which are even further away. (Lithium has electrons in the 1s2 and 2s1 subshells.

## What is coulombic attraction based on?

What is Coulombic Attraction? Coulombic attraction is the force of attraction between positive and negative charges. It is easy to calculate the force between two charged particles using Coulomb’s law. If the charges on the particles have opposite signs, the force will be one of attraction.

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## How is coulombic attraction measured?

Ions exhibit attractive forces for ions of opposite charge — hence the adage that “opposites attract.” The force of attraction between oppositely charged ions follows Coulomb’s law: F = k * q1 * q2 / d2, where F represents the force of attraction in Newtons, q1 and q2 represents the charges of the two ions in coulombs …

## What is the trend for coulombic attraction?

What is the trend in Coulombic attraction going down a group? Coulombic attraction increases moving down a group. Coulombic attraction decreases moving down a group.

## Which atom has a stronger attractive force?

In an atom, the most important factors that influence the force, as calculated by Coulomb’s equation, are the nuclear charge and the distance from the nucleus to the electron of interest. The closer an electron is to a nucleus, the stronger the attractive force (i.e. the more negative F becomes).

## What variables will affect the force of attraction between charged particles?

Charles Coulomb determined how to figure out the strength of the force between charged particles. As we’ll discuss in this lesson, he found that the force between charged particles was dependent on only two factors: the distance between the particles and the amount of electric charge that they carried.

## What is Coulomb attractive force?

Coulomb force, also called electrostatic force or Coulomb interaction, attraction or repulsion of particles or objects because of their electric charge. … Two unlike charges, one positive, one negative, attract each other along a straight line joining their centres.

## What happens to coulombic attraction as you go across a period?

Across a period, effective nuclear charge increases as electron shielding remains constant. A higher effective nuclear charge causes greater attractions to the electrons, pulling the electron cloud closer to the nucleus which results in a smaller atomic radius. … This results in a larger atomic radius.

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## What is the ability to attract electrons for bonding?

The ability of an atom to attract a pair of electrons in a chemical bond is called its electronegativity. The difference in electronegativity between two atoms determines how polar a bond will be.

## How does Coulombic attractive force affect ionization energy?

The greater the ionization energy, the more difficult it is to remove an electron. Using the same Coulombic attraction ideas, we can explain the first ionization energy trends on the periodic table. … The greater an atom’s electronegativity, the greater is its ability to attract electrons to itself.

## How do you calculate force of attraction?

The mathematical formula for gravitational force is F=GMmr2 F = G Mm r 2 where G is the gravitational constant.

## What is Coulomb in chemistry?

coulomb, unit of electric charge in the metre-kilogram-second-ampere system, the basis of the SI system of physical units. It is abbreviated as C. The coulomb is defined as the quantity of electricity transported in one second by a current of one ampere.

## How does coulombs law affect periodicity?

8.6 Periodic Trends in the Size of Atoms

According to Coulomb’s Law, the attraction is stronger as the charge on the nucleus (Z) increases, and as the electron gets closer to the nucleus.

## How does coulombs law explain atomic radius?

According to Coulomb’s Law, as the atomic number increases within a series of atoms, the nuclear attraction for electrons will also increase, thus pulling the electron(s) closer to the nucleus. … Such a relationship between atomic number and atomic radius is a direct correlation.