Which neutral atom has the same number of electrons as O-² ions

Explanation:

Ar has the same number of electrons as Ca

2+

. These are isoelectronic species.

The atomic number of Ar is 18. It contains 18 electrons. The atomic number of Ca is 20. It contains 20 electrons.

It loses 2 electrons to form Ca

2+

ion with 18 electrons.

ok so like i went to wiki and looked up the (constitution x new "hammystan")and it showed me the picture it highlights new hampshire and says first and second session and than it says that they hit up the u.s and was like "ey dude that paper u sent us was adopted it bro thx" xd syays it all on wiki/the pic

i dont really like reading so i guess other people might not like reading either so   imma put the answer in bold italics

idk

explanation: