Ions Review

What is a positive ion called?

• anion

• cation

• isotope

• covalent

What is a negative ion called?

• anion

• cation

• covalent

• isotope

How many electrons would a Nitrogen ion gain/lose? If it has 5 valence electrons.

• lose 5

• gain 5

• lose 3

• gain 3

What is the ion formed from Sulfur? If it has 6 valence electrons.

• S⁺²

• S^-2

• S⁺⁶

• S^-6

How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.

• lose 1

• gain 1

• lose 2

• gain 2

If an atom loses electrons, the charge will be positive.

• true

• false

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

• Br^-1

• Br⁺¹

• Br⁺⁷

• Br^-7

What is the charge of an atom that has lost one electron?

• -1
• -2
• +1
• +2

An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.

• +2

• -2

• +3

• 0

If an element has 3 valence electrons, what charge will likely form on its ion ?

• +3

• +5

• -3

• -5