Answer:
pump that is the answer hope its right
Answer:
c- dry cells can not be recharged
The organization is based off solitaire and many of the elements are the same
Answer:
[Ar] 4s²
Explanation:
Ca is the symbol for Calcium. It is the 20th element and it has 20 electrons.
The full electronic configuration for calcium is given as;
1s²2s²2p⁶3s²3p⁶4s²
The condensed electronic configuration is given as;
[Ar] 4s²