Atoms Elements and Compounds

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  • Created by: eddielee
  • Created on: 18-05-16 17:54
Mixtures
can be separated into simpler substances
1 of 14
Compounds
can be broken down into simpler compounds/elements
2 of 14
Elements
cannot be broken down by chemical reactions
3 of 14
Sub Atomic Particles
have a charge and a mass
4 of 14
Mass Number
=protons + neutrons
5 of 14
Proton
positive , RM; 1
6 of 14
Neutron
neutral , RM; 1
7 of 14
Electron
negative , RM; almost 0
8 of 14
First shell
lowest energy, 2 electrons
9 of 14
Second shell
next energy , 8 electrons
10 of 14
Third shell
third energy, up to 18 electrons
11 of 14
Group number
how many outer electrons
12 of 14
Outer electrons
determine how the element reacts
13 of 14
Noble Gases
unreactive, full outer shells
14 of 14

Other cards in this set

Card 2

Front

can be broken down into simpler compounds/elements

Back

Compounds

Card 3

Front

cannot be broken down by chemical reactions

Back

Preview of the back of card 3

Card 4

Front

have a charge and a mass

Back

Preview of the back of card 4

Card 5

Front

=protons + neutrons

Back

Preview of the back of card 5
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