Chemistry Review!

Front

What is an anion?

Back

A negatively charged ion that has gained electrons to satisfy the octet rule.

Front

What is a cation?

Back

A positively charged ion that has lost electrons.

Front

What is the charge of a neutral atom?

Back

0 (it has no charge).

Front

What happens to the charge of a lithium atom when it loses 1 electron?

Back

It becomes +1.

Front

What charge does an electron have?

Back

Negative.

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom.

Front

How does ionization energy change across a period?

Back

Ionization energy increases as you go across a period.

Front

Which element has a greater ionization energy: Magnesium (Mg) or Phosphorus (P)?

Back

Phosphorus (P) has a greater ionization energy.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have eight electrons in their outer shell.

Front

What is the difference between an isotope and an ion?

Back

An isotope has the same number of protons but a different number of neutrons; an ion has a different number of electrons.