Answer:
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Explanation:
Can you elaborate more on the question please. I don’t understand it.
Answer: Pause
<em>I hope this helps, and Happy Holidays! :)</em>
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.