Molecular Formula and Compounds

What would be the proper chemical formula for combining Al³⁺ and Cl^- :

• AlCl₃

• Al₃Cl

• AlCl

• Al₃Cl₃

Name the following ionic compound: BeCl₂

• beryllium chlorine

• beryllium II chloride

• beryllium chloride

• beryllium dichloride

name the following ionic compound: NaF

• nitrogen fluorine

• sodium fluoride

• nitrogen fluoride

• sodium fluorine

Name the following ionic compound: Cs₂S

• cesium sulfide
• cesium sulfate
• cesium II sulfate
• cesium II sulfide

Name this formula: 
BaCl₂

• Barium Dichloride
• Barium Chloride
• Barium Chlorine
• Chlorine Baride

Name this formula: 
K₃N

• Potassium (III) Nitride
• Potassium Nitride
• Potassium (I) Nitride
• Nitrogen Potaside

When naming ionic compounds, the cation is always named first and the anion is always named second.

• False

• True

Na+ represents a

• sodium atom
• naval ion
• potassium ion
• sodium ion

The charge on a barium ion in its ionic compounds is

• 1+
• 2+
• 3+
• 4+

What is the correct formula for potassium oxide?

• KO
• KO₂
• K₂O
• KO₃