what is the noble gas configuration for calcium?\nar 4s2\nhe 2s2\nne 3s2\nkr 5s2
what is the noble gas configuration for calcium?\nar 4s2\nhe 2s2\nne 3s2\nkr 5s2
Answer
Brief Explanations:
Calcium has 20 electrons. Argon (Ar) is the noble - gas with 18 electrons. After filling the argon - core, 2 electrons are left which go into the 4s orbital.
Answer:
[Ar] 4s2