Final Review 1

Front

What do all elements in the same period have?

Back

Same number of shells.

Front

Electrons are ___________

Back

Extremely small even in comparison to protons.

Front

Ionic compounds are formed between ________ and _________.

Back

Metals and nonmetals.

Front

In chemical compounds, covalent bonds form when __________.

Back

Pairs of electrons are shared between two nonmetal atoms.

Front

Name group 18 on the periodic table.

Back

Noble gases.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What do you call the horizontal rows in the periodic table?

Back

Periods.

Front

What do you call the vertical columns in the periodic table?

Back

Groups or families.

Front

What is a molecule?

Back

A group of atoms bonded together.