Chemistry Bonds

Ionic bonds are formed between a and a .

metal; nonmetal

Covalent bonds occur between __ elements.

two nonmetals

In the naming of ionic compounds, the nonmetal typically ends with the suffix __.

-ide

The prefix "tri-" indicates there are __ atoms of an element in a covalent compound.

three

To write the formula for magnesium chloride, you start with the cation followed by the anion .

Mg²⁺; Cl⁻

The chemical formula for nitrogen trichloride is __.

NCl₃

When naming ionic compounds, if the metal can have multiple charges, you must use __ to indicate the charge.

Roman numerals

The prefix "penta-" indicates there are __ atoms of an element in a covalent compound.

five

The formula for iron(III) oxide is __.

Fe₂O₃

In covalent compounds, the second element always ends with the suffix __.

-ide

Cation

positive ion, usually metal

Anion

negative ion, usually nonmetal