Hund's rule states that electrons must spread out within a given subshell before they can pair up. Explain why Hund's rule is not important to follow for group 13, group 17 (halogens) or group 18 (noble gas), but it is important for groups 14, 15, and 16.

what's the question?

explanation:

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.

hypostyle hall;