Vocab
Particle that has gained or lost an electron
Ion
An element with a full outer shell
He, Ne, Ar, Kr, Xe, Rn
Compounds formed by the gain or loss of electrons
Ionic
KCl
potassium chloride
Strontium Chloride
SrCl2
Neutrally charged subatomic particle
Neutron
A regular variation in the properties of elements
Periodic trend
Compounds formed by sharing electrons
Covalent
CaSO4
Calcium Sulphate
Ammonium Dichromate
(NH4)2Cr2O7
Metal atoms that have lost electrons
Cations
Elements found on the right side of the periodic table
Non-Metals
The pair of electrons involved in a covalent bond
Bonding Pair
(NH4)3N
Ammonium Nitride
Dinitrogen Trioxide
N2O3
More than one possible chage
Multivalent
An element with 3 valence electrons
B, Al, Ga, In, Tl
Bond made between two non-metal atoms
Covalent
PBr5
Phosphorus pentabromide
Manganese (IV) Sulphide
MnS2
Attraction between positive and negative charges that hold compounds together
Ionic bond
Location of protons and neutrons
Nucleus
A pair of identical atoms that are joined by covalent bonds
Diatomic Molecule
Ni2(SO4)3
Nickel (III) Sulfate
Niobium (V) Nitride
Nb3N5