CHEMISTRY I

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Across
  1. 4. PIECE OF MATTER IN PURE FORM
  2. 7. THE ATOM WHICH______ THE SHARED PAIR OF ELECTRON
  3. 11. IS MADE UP OF SMALLEST PARTICLES KNOWN AS ATOM
  4. 14. ABILITY OF AN ATOM TO ATTRACT SHARED PAIR OF ELECTRONS.
  5. 15. DISCOVERED CHLORINE
Down
  1. 1. SAME ATOMIC NUMBER BUT DIFFERENT MASS NUMBER.
  2. 2. LONGEST PERIOD
  3. 3. WEEK FORCES BETWEEN BONDING THE MOLECULES
  4. 5. GROUP VII-A BELONGS TO _____ FAMILY.
  5. 6. MUTUAL SHARING OF ELECTRONS BETWEEN TWO ATOMS
  6. 8. NaCl IS AN EXAMPLE OF _____ BOND.
  7. 9. WHAT RUTHERFORD DID NOT EXPLAIN ABOUT ATOM?
  8. 10. f-BLOCK ELEMENTS ARE _____ TRANSITION ELEMENTS.
  9. 12. NITROGEN GAS CONSIST ______COVALENT TYPE.
  10. 13. TOTAL SUM OF PROTON AND NEUTRON