How many electrons surround the nucleus of a triply ionized magnesium atom, Mg IV? The atomic number of magnesium is 12.
A) 9
B) 12
C) 11
D) 15

Name: How many electrons surround the nucleus of a triply ionized magnesium atom, Mg IV? The atomic number of magnesium is 12. A) 9 B) 12 C) 11 D) 15
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Question

Quizplus · Accepted Answer

A triply ionized magnesium atom (Mg IV) means it has lost three electrons. Since magnesium normally has 12 electrons, after losing three, it would have 9 electrons surrounding its nucleus.

How Many Electrons Surround the Nucleus of a Triply Ionized