Periodic table

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  1. 2. gives white dazzling light when combined with water
  2. 4. mixed in swimming pool to kill bacteria and viruses
  3. 6. have both the properties of metals and non-metals
  4. 9. elements in the 18th group are also called as
Down
  1. 1. group 1 metals are also known as
  2. 3. elements have same atomic no. but different mass no.
  3. 5. element present in teeth
  4. 7. has electronic configuration 2,8,6
  5. 8. represented by Au
  6. 10. how many metalloids are present in the modern periodic table