Unit 3 Chemical Bonding Review

Front

What charge does an atom have if it gains two electrons?

Back

-2

Front

Why do chemical bonds form?

Back

To fill the valence shell of electrons for the elements involved.

Front

What type of bond is formed by transferring electrons from one atom to another?

Back

Ionic bond.

Front

What type of bond does ammonia (NH3) likely form?

Back

Covalent bond.

Front

What is the proper name for CaCl2?

Back

Calcium chloride.

Front

What is a covalent bond?

Back

A bond formed when two atoms share electrons.

Front

What is an ionic bond?

Back

A bond formed when one atom transfers electrons to another atom.

Front

What is the octet rule?

Back

Atoms tend to form bonds in order to have eight electrons in their valence shell.

Front

What is a metallic bond?

Back

A bond formed by the attraction between positively charged metal ions and the electrons in a metal.

Front

What is a valence electron?

Back

An electron in the outermost shell of an atom that can participate in forming bonds.