Ion Formation

Which of the following about cations is correct?

• Cations where named after cats.

• Cations form when an atom has a mostly empty outer shell.

• Cations are only non-metals.

• Cations are mostly negative.

What is the charge of Iron(III)

• +3

• +1

• +2

• +4

Copper(II) has an ionic charge of

• +1

• +2

• Neutral

• -3

What is the name for an ion when it gains an electron.

• Anion

• Cation

Anions have which type of charge?

• Positive

• Negative

Anions occur when

• The inner shell is full.

• The outer shell is almost full.

• The outer shell is full.

• There is no outer shell.

Anions and Cations form what type of compound?

• Covalent

• Ionic

• Balled

Tags

NGSS.MS-PS1-5

What is the formula of an ionic compound formed from Lithium and Oxygen?

• Li₂O

• LiO₂

• 2LiO

• Li2O

Tags

NGSS.MS-PS1-1

What is the name of an ionic compound formed from Calcium and Oxygen?

• Calcium Oxide

• Calcium Monoxide

• Monocalcium Monoxide.

• Calcium Dioxide

What is the charge of Fe (I)

• -1

• +1

• +2

• -2