Atomic Structure Flashcards
Element
A substance that contains only one type of atom
Mixture
A mixture is two or more different atoms which are not
chemically bonded
Compound
Two or more elements that are chemically bonded
Group
The columns on the Periodic Table
Period
The rows on the Periodic Table
Reactant
What you start with in a chemical reaction
Product
What is made in a chemical reaction
Pure
A substance made of only ONE type of element or
compound
Chromatography
A technique where mixtures can be separated based on
their solubility, ink travels up paper dependent on their solubility in solvent
Distillation
Separation of liquid by different boiling points
Crystallisation
Solvent separated from solute
Nanometer
A unit of measurement: 1x10-9m
Proton
A sub atomic particle found in the nucleus, it has a charge
of +1 and a relative mass of 1
Electron
A sub atomic particle found in the shells of an atom, it has
a charge of -1 and a negligible mass
Neutron
A sub atomic particle found in the nucleus of an atom, it
has a charge of 0 and a mass of 1
