When writing the electron configuration for an element in the d block you have to remember to lower the energy level by 1.
1 answer:
True. The d block shells are always n-1. f shells (lanthanides and actinides) are n-2 shell number.
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Explanation:
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Answer:
1 and 2
Explanation:
1 is negative
2 is negative
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Valence Electron of M = 2
M ==> M⁺² + 2 e⁻
a. M⁺² + OH⁻ ==> M(OH)₂
b. M⁺² + PO₄⁻³ ==> M₃(PO₄)₂
Answer:option A
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