Basis Of Atoms

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Year 11 Chemistry (Atomic Structure and The Periodic Table) Mind Map on Basis Of Atoms, created by Leo Quartermain on 20/01/2018.
Leo Quartermain
Mind Map by Leo Quartermain, updated more than 1 year ago
Leo Quartermain
Created by Leo Quartermain over 6 years ago
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Resource summary

Basis Of Atoms
  1. Atoms contain Protons, Neutrons and Electrons
    1. The Nucleus is the middle
      1. Made of Protons and Neutrons
        1. Positive Charge
          1. Always the same number of Protons and Electrons
        2. Electrons move around in electron shells
          1. Negatively charged and no mass
          2. Neutrons have no charge, so Atom has no overall charge
          3. Atomic Number = Bottom Number
            1. Number of Protons
              1. Therefore the number of Electrons
            2. Mass Number = Top Number
              1. Total number of Protons AND Neutrons
                1. No of Neutrons = Mass number - Atomic Number
              2. Elements are atoms with the same Atomic Number
                1. Protons decide what type of Atom it is
                  1. All of the same element have the same No. of Protons
                    1. Can have a different No. of Neutrons and Electrons
                  2. 100 different elements
                    1. Represented on the Periodic Table
                    2. Isotopes have a different number of Neutrons
                      1. Same Atomic No. but different Mass No.
                        1. Relative atomic mass is used instead
                          1. taking in all the masses of isotopes that make up an element
                            1. Relative atomic mass = Sum of (isotope abundance x isotope mass number) / sum of abundance of all the isotopes
                              1. Abundance means amount
                                1. Will be told the abundance in the Question
                      2. Atoms join together to make Compounds
                        1. Taking, giving away or sharing of electrons
                          1. Metals and Non-metal compounds consist of Ions
                            1. Non-Metals consist of Molecules
                              1. Covalent Bonding
                              2. Ionic Bonding
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