Atoms, Compounds and isotopes

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  • Created by: Izabela
  • Created on: 29-01-14 21:22
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  • Atoms, Isotopes and Compounds
    • Mass Number- total nr. of protons and neutrons
    • Atomic Number- is the nr. of protons
    • The atomic number tells you how many protons there are
    • Atoms of the same element all have the same nr. of protons
    • Compounds are formed when atoms of two or more elements are chemically combined together.
      • For example, carbon dioxide is a compound formed from a chemical reaction between carbon and oxygen
      • It's difficult to separate the two original elements out again
    • Isotopes are: different atomic forms of the same element, which have the SAME number of PROTONS but a DIFFERENT number of NEUTRONS


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