Definitions Flashcards
1
Q
Elements
A
A substance that consists of only kind of atom.
E.g hydrogen
2
Q
Subatomic particles
A
The particles inside of an atom. These are protons, neutrons and electrons.
3
Q
Atoms
A
Smallest single substance
4
Q
Molecule
A
A group of atoms bonded together.
E.g water (H2O
5
Q
Compounds
A
A mixture of two different substances
6
Q
Ions
A
An atom or molecule with a net charge
7
Q
Covalent bonds
A
A bond between two or more non-metallic elements
8
Q
Ionic bonds
A
A bond between one metal and one non-metallic elements
9
Q
Metallic
A
A bond between two or more metallic substances
