atoms and elements

Danoa400
Mind Map by , created over 4 years ago

GCSE SCIENCE ADDITIONAL Mind Map on atoms and elements, created by Danoa400 on 03/18/2015.

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12newtonh
Created by 12newtonh over 4 years ago
Danoa400
Copied by Danoa400 over 4 years ago
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atoms and elements
1 the nucleus
1.1 the nucleus is really small compared to the whole atom
1.2 its made up of protons and neutrons
2 the electrons
2.1 electrons surrond the nucleus in shells (energy levels)
3 protons are positive(+)
4 neutrons are neutral (not charged)
5 electrons are negative (-)
6 the relative masses of parts of an atom
6.1 protons and neutrons have the same mass (e.g.1 each)
6.2 the mass of electrons is much smaller (e.g. very ting)
7 there are always be the same number protons as electrons (e.g. 2 positive protons = 2 negitive electrons)
8 the number of protons there are dicides what type of atom it is (e.g. hydrogen = 1 proton, helium = 2 protons)

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