ATOMS

ATOMS

1. Nucleus

   • Neutrons
     • Isotopes
     • Dif no. of neutrons =
     • No Charge
   • Protons
     • +Ve charge
   • Contain

2. Electrons

   • no. combined make up ATOMIC MASS
   • -Ve charge
   • Negligible mass

3. Contain

4. Molecules

   • Combination of atoms from different elements

5. Elements

   • Separation of Elements
     • periodic table
       • Groups
       • Periods
       • Blocks
     • Element Symbols
       • Mass number = A
       • Proton number = Z
       • Element symbol = X

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