1.
Substance made up of 2 or more elements
2.
Substance made up of only 1 type of atom
3.
Every element has its own one of these letter codes which you can find in the periodic table
4.
Smallest part of an element that can exist
5.
Compounds which are made up of elements from the non metals section of the periodic table
6.
The term for grouping together a substances colour, boiling point, melting point and smell
7.
Shows us how many of an element, and/or which type of elements are contained in one individual compound or molecule
