8. Which two elements do not have unpaired electrons in their ground state ? 1) I 2) Ne 3) Be 4) Li 5) Cs Answer (score:1):

Question

8. Which two elements do not have unpaired electrons in their ground state ? 1) I 2) Ne 3) Be 4) Li 5) Cs Answer (score:1):

Answer 1

The correct answer is 2) Ne and 5) Cs.Neon (Ne) has a complete set of electrons in its outermost shell, with all electrons paired. Cesium (Cs) also has a complete set of electrons in its outermost shell, with all electrons paired.Iodine (I), Beryllium (Be), and Lithium (Li) all have unpaired electrons in their ground state.

Вопрос

8. Which two elements do not have unpaired electrons in their ground state ? 1) I 2) Ne 3) Be 4) Li 5) Cs Answer (score:1):

Решения

Ответ