How can you tell if a compound is an ionic compound? It contains...

Mark all that apply.

• more than two elements

• a metal element

• all nonmetal elements

• the ammonium ion (NH₄⁺)

A binary compound contains _____ elements.

• one (1)

• two (2)

• three (3)

• four (4)

• five (5)

A binary IONIC compound contains:

Mark ALL that apply.

• a monatomic cation

  (+ ion)

• a monatomic anion

  (– ion)

• a negative polyatomic ion

• a positive polyatomic ion

• NO ions

A binary IONIC compound contains

• all nonmetals

• all metals

• a metal and a nonmetal

• a polyatomic ion

• more than two atoms

The name of monatomic negative ions (anions) all end in what suffix?

• -ate

• -ite

• -ium

• -ide

What does the Roman Numeral stand for in an ionic compound?

• subscript of the cation (+)

• subscript of the anion (-)

• charge of the cation (+)

• charge of the anion (-)

What is the name of the compound KCl

• potassium chloride

• potassium chlorine

• potassium monochloride

MgF₂

• magnesium fluoride
• manganese Phosphide
• magnesium(III) fluoride
• magnesium fluoride(II)

When writing the name or formula of an ionic compound which ion comes first?

• cation (+)

• anion (-)

• monatomic ion

• polyatomic ion

Is sodium, Na a metal or nonmetal?