Dhankton123 Dhankton123

22-06-2021
Chemistry

contestada

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

Respuesta :

jerryguo2282769 jerryguo2282769

22-06-2021

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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