Atoms, Elements and compounds

Isotopes

The same element but different amount of neutrons

Ions

A charged element or compound (An element or compound with less or more electrons than protons)

Nucleon number/atomic mass

The number of nucleons and protons added together

Atomic number

The number of protons

groups

long (colum)

periods

wide (rows)

compound

2 or more different elements that are chemically bonded together

molecules

Two or more elements chemically bonded together

mixture

Two or more different elements or compounds not bonded together (easily separable)

Hydroxide (formula)

 OH^-

Sulphate (formula)

 SO₄^2-

Nitrate (formula)

NO₃^-

Carbonate (formula)

CO₃^2-

Ammonium (formula)

NH₄⁺

ionic bond

bond between a cation(positive) and anion(negative)

cation

positive charged ion

anion

negativly charged ion

covalent bond

The bond where to non-metals share 1 or more electrons

intramolecular

The force between atoms within a molecule (h2o the force between oxygen and the hydrogen)

intermolecular

The force between different molecules (like h2o and another h2o)

lattice structure

A regular repeating pattern, they are usually found in ionic compounds and covalent compounds

macro molecules

A structure made up of many atoms all covalently bonded to each other

Metallic bonding

A bond between the positively metal ions and their delocalised electrons

malluable

bendable and able to be reshaped

Alloys

A metal mixed with one or more different elements

valence electrons

The electrons in the outer most shell in an atom.

Group uno

The Alkali Metals

Group ocho

The Noble Gases

Group siete

The Halogens

No group elements(between group 2 and 3)

The Transition metals

(PO₄)³⁻

Phosphate