Chem. Names to formulas

What is the formula for Sulfur Difluoride?

• S₂F₂
• SF₂
• 2SF
• SF

Ionic Compounds are made up of ions from ________ and _______.

• metals, metals
• nonmetals, nonmetals
• metals, nonmetals
• oxygen, carbon

Positive ions are called ____________.

• cations
• anions
• atoms
• molecules

Negative ions are called ______.

• cations
• anions
• atoms
• molecules

Covalent bonding _______ electrons.

• Take
  take
• give
• pass
• share

Ionic bonding happens when positive and negative ions act like magnets because the nonmetal ______ electrons and the metal _____ electrons

• takes, gives up
• gives up, takes
• shares
• takes, takes

What is the chemical formula for sodium cholride

• NaCl
• NACL
• nacl
• Na₂Cl

What is the chemical formula for magnesium bromide?

• MgBr
• Mg₂Br
• MgBr₂
• Not enough info

What is the chemical formula for Ammonium Phosphate?

• NH₄PO₄
• (NH₄)₃PO₄
• NH₄(PO₄)₃
• (NH₄)₂P

What is the chemical formula for Iron (III) Oxide?

• FeO
• Fe₃O
• Fe₃O₂
• Fe₂O₃