chemistry

12345678910
Across
  1. 2. elements of group 17 are also called
  2. 5. polar covalent compound in gaseous state that does not conduct electricity
  3. 6. the substance that releases hydronium ion as the only positive ion when dissolved in water
  4. 8. element with highest ionization potential
  5. 10. a green coloured ion
Down
  1. 1. the electrode which is connected to the positive end or terminal of the battery
  2. 3. the most metallic element in period 3
  3. 4. the inert electrode used in the electrolysis of acidified water is:-
  4. 7. most electronegative element
  5. 9. bonds formed between metals and non-metals are called