atoms and elements

c.kennedy
Mind Map by c.kennedy, updated more than 1 year ago More Less
12newtonh
Created by 12newtonh almost 5 years ago
c.kennedy
Copied by c.kennedy almost 5 years ago
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GCSE Science Mind Map on atoms and elements, created by c.kennedy on 03/25/2015.

Resource summary

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 nuetrons are neutal (not charged)
5 electrons are negitive (-)
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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