Metals lose electrons under certain conditions to attain a noble-gas electron configuration. How many electrons must be lost by the element Ca?

Is it 2 e^-?

Which noble-gas electron configuration is attained in this process?
argon
radon
krypton
xenon
helium
neon

5 answers

Yes it is Ca.
Look at Ca on the periodic chart and take two electrons away. Back up two and identify the noble gas.
Is it Argon?
yes.
where is the answer?
I would like to say sorry to jungkook:>

-RM