Chemistry Unit 4

Front

What indicates the charge of a transitional metal ion that can have more than one charge?

Back

The charge is indicated by a Roman numeral following the name.

Front

What is the name of the compound N2O5?

Back

The compound is called dinitrogen pentaoxide.

Front

What is the charge on a Nitrogen ion?

Back

The charge on a Nitrogen ion is -3.

Front

What happens to an atom when it gains an electron?

Back

It becomes a Negative ion.

Front

What is the name of the compound P4O8?

Back

The compound is called tetraphosphorus octoxide.

Front

Define a positive ion.

Back

A positive ion is an atom that has lost one or more electrons, resulting in a net positive charge.

Front

Define a negative ion.

Back

A negative ion is an atom that has gained one or more electrons, resulting in a net negative charge.

Front

What is the significance of prefixes in naming covalent compounds?

Back

Prefixes indicate the number of atoms of each element in the compound.

Front

What is the formula for calculating the charge of an ion?

Back

The charge of an ion is calculated by the difference between the number of protons and electrons.

Front

What is the naming convention for binary ionic compounds?

Back

The name of the cation is followed by the name of the anion, with the anion's name modified to end in '-ide'.