Ask Question
1 March, 04:16

Magnesium (Mg) has an atomic number of 12. What is the ground-state electron configuration of magnesium?

A. 1s21p62s22p2

B. 1s21p61d4

C. 1s22s22p63s2

D. 1s22s22p62d2

+3
Answers (2)
  1. 1 March, 05:54
    0
    C. 12222632

    You have to follow the Aufbau principle, which states that electrons populate the atomic orbitals situated at the lowest energy first.

    The orbitals are:

    1

    22

    333

    4444

    5555

    666

    77
  2. 1 March, 06:51
    0
    The answer is 1s22s22p63s2
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Magnesium (Mg) has an atomic number of 12. What is the ground-state electron configuration of magnesium? A. 1s21p62s22p2 B. 1s21p61d4 C. ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers