Chemistry - C Block - Quarter 3

The study of the interactions between substances.

The smallest unit of matter, literally means ‘indivisible’.

A group of 2 or more atoms.

Electrons on the outermost shell of an atom, which are available for bonding

A characteristic of matter that can be observed and measured without changing the chemical identity.

A characteristic of a substance that is observed during a reaction in which the chemical identity of the substance is changed

An atom that has gained or lost an electron(s) and now carries a charge.

An atom with a different number of neutrons and a different Atomic Mass than the most common for of an element.

A representation of an atom showing only the element’s symbol and it’s valence electrons

An ion consisting of more than one atom.