Write the electronic configuration of Ca2+.
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10
Answer:
[Ar] 4s²
Atomic number: 20
Explanation:
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muskan10453:
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Ca2+ is the ion of calcium, which means that it has 2 less electrons than neutral calcium. The calcium ion (Ca 2+), however, has two electrons less. Neutral calcium's electron configuration is 1s2 2s2 2p6 3s2 3p6 4s2. The valence electron configuration of thallium, whose symbol is Tl, is 6s 2 5d 10 6p 1.
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Answered by
2
Answer:
1s2 2s2 2p6 3s2 3p6
Explanation:
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