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