Ions and Isotopes REVIEW

Front

Negative ions are called

Back

Anions

Front

When an atom loses a valence electron, it becomes a(n) _____________ ion.

Back

positive

Front

How many protons are in this element?

Back

79

Front

What charge does an atom have if it LOSES an electron?

Back

Positive (+)

Front

When an atom LOSES an electron it is a

Back

cation

Front

Ions are:

Back

atoms with a positive or negative charge

Front

Valence electrons are:

Back

Electrons farthest away from the nucleus

Front

What charge does an atom have if it GAINS an electron?

Back

Negative (-)

Front

What is the number of protons?

Back

16

Front

What is the number of neutrons?

Back

45