Periodic Table

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123456
Across
  1. 4. AN ELEMENT WHICH HAS PROPERTIES OF BOTH METALS AND NONMETALS
  2. 5. GASES A GROUP OF HIGHLY STABLE ELEMENTS DUE TO THEIR FULL OUTER SHELL OF ELECTRONS
  3. 6. A ROW OF PERIODIC TABLE
Down
  1. 1. METALS THE GROUP 1 ELEMENTS KNOWN
  2. 2. THE NUMBER OF PROTONS AND NEUTRONS IN ATOM
  3. 3. A PARTICLE WITH NO CHARGE FOUND IN THE NUCLEUS