NAMING COMPOUND AND WRITING FORMULA

Magnesium Nitrate

• Mg(NO₃)₂

• Mg (NO₃)₃

• Mg (NO₃)

Sodium Hydroxide

Calcium Hydroxide

• Ca(OH)

• CaH₂

• Ca(OH)₂

CaO

• Calcium oxalate

• Carbondioxide

• Calcium Oxide

What is the correct formula for aluminum sulfide?

• Al₃S₂

• Al₂S₃

• AlSO₄

• AlSO₃

What is the correct formula for carbon dioxide?

• C₂O₂
• C₂0
• CO
• CO₂

Chemical compound is formed when two or more ions are formed.

• True

• False

Choose the incorrect pairing below:

• Cation -> positive

• Anion -> negative

• Ionic bonding -> metal to metal

• Covalent bonding -> nonmetal to nonmetal

An atom must have how many valence electrons to become stable?

• 6

• 8

• 10

• 12

Which is positive ion?

• Cation

• Anion