What is the electronic configuration of a Calcium ion?

1s2,2s2,2p6,3s2,3p6

ZO

Related Chemistry GCSE answers

All answers ▸

20kg of ammonium nitrate is made from ammonia and nitric acid, what mass of ammonia was used?


Which has a lower boiling point chlorine or bromine, and why?


Draw the chemical structures of butane, butene and butyne.


Why is the Haber Process run at 450 °C instead of room temperature?