atoms and elements

Description

Primary Science Mind Map on atoms and elements, created by richieroomarcellin on 28/04/2016.
richieroomarcellin
Mind Map by richieroomarcellin, updated more than 1 year ago More Less
12newtonh
Created by 12newtonh almost 8 years ago
Danoa400
Copied by Danoa400 almost 8 years ago
richieroomarcellin
Copied by richieroomarcellin almost 8 years ago
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Resource summary

atoms and elements
  1. the nucleus
    1. the nucleus is really small compared to the whole atom
      1. its made up of protons and neutrons
      2. the electrons
        1. electrons surrond the nucleus in shells (energy levels)
        2. protons are positive(+)
          1. neutrons are neutral (not charged)
            1. electrons are negative (-)
              1. the relative masses of parts of an atom
                1. protons and neutrons have the same mass (e.g.1 each)
                  1. the mass of electrons is much smaller (e.g. very ting)
                  2. there are always be the same number protons as electrons (e.g. 2 positive protons = 2 negitive electrons)
                    1. 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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