richieroomarcellin
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Primary Science Mind Map on atoms and elements, created by richieroomarcellin on 28/04/2016.

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12newtonh
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Danoa400
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richieroomarcellin
Copied by richieroomarcellin almost 9 years ago
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the nucleus is really small compared to thewhole atomits made up of protons and neutronsthe nucleuselectrons surrond the nucleus inshells (energy levels)the electronsprotons are positive(+)neutrons are neutral (not charged)electrons are negative (-)protons and neutrons have thesame mass (e.g.1 each)the mass of electrons is muchsmaller (e.g. very ting)the relative masses of parts of an atomthere are always be the same numberprotons as electrons (e.g. 2 positiveprotons = 2 negitive electrons)the number of protons there are dicides what type ofatom it is (e.g. hydrogen = 1 proton, helium = 2 protons)atoms and elementsDouble click this nodeto edit the textClick and drag this buttonto create a new node