Matter

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Across
  1. 5. More atoms combine by chemical bonds
  2. 6. Can be physically separated
  3. 8. Has more protons than electrons
  4. 9. A matter that can be chemically decomposed
Down
  1. 1. An example of pure substance
  2. 2. No.of Proton + Neutron
  3. 3. Matter of a single type of atom
  4. 4. Having the same no. as protons in neutral atoms
  5. 7. Similar atoms of different no. of neutron