Final exam practice

Front

What is the proper chemical formula for a compound containing lead with a +4 charge and covalently bonded phosphorus and oxygen?

Back

Pb3(PO4)4

Front

What is the OFFICIAL name for H2O?

Back

Dihydrogen Monoxide

Front

What is required when naming a compound of two non-metals?

Back

Prefixes

Front

What are atoms with the same number of protons but different numbers of neutrons called?

Back

Isotopes

Front

What is the name of Br6F10?

Back

none of the above

Front

What is the charge of lead in the compound Pb3(PO4)4?

Back

+4

Front

What is the significance of prefixes in chemical nomenclature?

Back

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

Front

What is the difference between ions and isotopes?

Back

Ions are atoms with a charge due to loss or gain of electrons, while isotopes are atoms of the same element with different numbers of neutrons.

Front

What is the formula for calculating the number of neutrons in an atom?

Back

Number of Neutrons = Atomic Mass - Atomic Number

Front

What is the common name for H2O in everyday language?

Back

Water