I believe the answer is B
Answer:
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.
Answer would be an author's thoughts are used to indicate facts in a memoir.
Answer:
Waverly's brothers had no interest in chess, so she started playing cowboys with them.
Explanation:
She was lonely, and just wanted to play.
The fact that people's lives are beyond their own control.
