Вопрос
Answer (score: 1): 8. Atoms of which two-elements have two uppaired electrons in the ground state? 1) N 2) 3)6 4) Be 5) He Answer (score:)}
Решения
4
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Улан
Экспертная проверка
мастер · Репетитор 5 лет
Ответ
The correct answer is 1) N and 5) He.Explanation:In the ground state, nitrogen (N) has two unpaired electrons in the 2p orbital, while helium (He) has two paired electrons in the 1s orbital.