Ions, Electron Dot, Valence Electrons

Front

What charge will an Oxygen (O) ion have?

Back

-2

Front

Which of the following has a -3 charge? (Options: Boron, Fluorine, Nitrogen, Neon)

Back

Nitrogen

Front

What is a valence electron?

Back

An electron that is found in the outermost shell of an atom.

Front

If an element has 3 valence electrons, what charge will likely form on its ion? (Options: +3, +5, -3, -5)

Back

+3

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What are valence electrons responsible for?

Back

They determine how an atom can bond with other atoms.

Front

How many valence electrons does Carbon (C) have?

Back

4

Front

What is the charge of a Sodium (Na) ion?

Back

+1

Front

What is the charge of a Chlorine (Cl) ion?

Back

-1

Front

What happens to an atom when it loses an electron?

Back

It becomes a positively charged ion (cation).