Chapter 7 Review

Who bonds? MgCl₂

• transition metal and nonmetal

• true metal and transition metal

• true metal and nonmetal

• nonmetal and nonmetal

What is the oxidation number of Sulfur?

• -1

• -3

• +1

• -2

What is the oxidation number of Fe in FeO?

• +1
• -1
• +2
• -2

The sum of all oxidation numbers in a neutral compound is ___.

• 0
• 1
• -1
• depends on the compound

What is the oxidation number of Ca in Ca₃N₂?

• +3
• +2
• -3
• -2

What is oxidation number of P in K₃PO₄?

• +1
• +5
• -2
• 0

Name HF

• hydrofluoric acid
• Hypofluoric acid
• hydrogen fluorine acid
• fluoric acid

Name the acid: HC₂H₃O₂

• Acetic Acid
• Acetous Acid
• Hydrogen Acetate
• Hydrogen Dicarbon Trihydrogen Dioxygen

What is the formula for hydrochloric acid?

• HCl
• HClO
• H₃ClO₃
• HClO₃

What are oxidation numbers?

• Number of electrons in the outer most energy level
• Number of protons
• Electrons gained or lost in chemical bonding
• Number of neutrons gained or lost