Ionic Compounds #1

What is the formula for aluminum fluoride?

• AlF
• Al₂F₃
• AlF₃
• Al₃F₂

Tags

ionic formulas

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

Tags

valence electrons

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

If my charge becomes 2+ what does that say about me?

• I am stealing 2 electrons
• I am losing 2 electrons
• I am in period 2
• I have an atomic # of 2

If I gain electrons I become

• Positive because I've added to my atom
• negative because I've added electrons
• same because i'm balanced
• equal because now I have electrons

Metals tend to 

• gain electrons
• lose electrons

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

The oxidation number for Fe in Fe₂O₃:

• +2
• +3
• +1
• -2

The oxidation number for copper in Cu₂S:

• +1
• +2
• -1
• -2

Nonmetals tend to 

• gain electrons
• lose electrons