Atoms, Molecules and Ions

Flashcards about Atoms, Molecules, and Ions

Law of Multiple Proportions

Pairs of compounds with the same elements in different proportions.

Avogadro's Hypothesis

At the same temperature and pressure, equal volumes of different gases contain an equal number of particles.

Bromine-79

35 protons, 44 neutrons, 35 electrons

Ion Formation

Adding or subtracting electrons from the atom

Cesium Symbol

The correct symbol is Cs.

Aluminum Oxide Name

Aluminum is always 3+, so (III) is not needed.

V3+ vanadium(III) ion

A multivalent ion.

Chlorite ion formula

ClO3 – is Chlorate ion, ClO2 – is Chlorite ion

Silver Chloride

A chemical compound with silver and chlorine.

Calcium Sulfate

A chemical compound with calcium and sulfate.

Nitrous Acid

A chemical compound with hydrogen, nitrogen, and oxygen.

Cobalt (II) Chloride

A chemical compound with cobalt and chlorine.

Aluminum Hydroxide

A chemical compound with aluminum, oxygen, and hydrogen.

Phosphorus Trichloride

A chemical compound with phosphorus and chlorine.

69Ga3+

31 protons, 38 neutrons, 28 electrons, atomic number 31, mass number 69, net charge 3+

80Se2-

34 protons, 46 neutrons, 36 electrons, atomic number 34, mass number 80, net charge 2–