# What are the 2 variables that affect coulombic attraction?

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## What are the two variables that affect the Coulombic force within an atom?

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.

## What variables 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 are coulombic forces of attraction?

An electrostatic force or the Coulombic force is defined as the force of attraction or repulsion between two like and unlike charges, respectively. The two charges bear equal magnitude but opposite charges and are separated by some distance.

## What two variables affect electric force?

The first factor is the amount of charge on each object. The greater the charge, the greater the electric force. The second factor is the distance between the charges. The closer together the charges are, the greater the electric force is.

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## What would increase the attraction of an electron?

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. Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital.

## What factors influence the strength of attraction of each atom to its electrons?

An atom’s electronegativity is affected by both its atomic number and the size of the atom. The higher its electronegativity, the more an element attracts electrons. The opposite of electronegativity is electropositivity, which is a measure of an element’s ability to donate electrons.

## Which two factors have an effect on the gravitational force between two objects?

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.

## Which two changes would increase the gravitational force between two objects?

Hence, the gravitational force between two objects can be increased by increasing their masses, or by decreasing the distance between them.