Which element has a smaller ionic radius than magnesium (Mg)? A) Rb B) Al C) Ca D) Na

Question

Which element has a smaller ionic radius than magnesium (Mg)?
A) Rb
B) Al
C) Ca
D) Na

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Thiên Hương 3 years 2021-07-17T02:27:01+00:00 1 Answers 35 views 0

Answers ( )

  1. hongcuc2
    0
    2021-07-17T02:28:20+00:00
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    Answer:

    Na has atomic number 11

    which is less than magnesium has atomic number 12

    ANSWER IS D

    Explanation:

    aluminum or Al is atomic 13 and Ca or calcium is atomic number 20 and rubidium or Rb is atomic number 37

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