The electron dot structure (Lewis structure) for which of the following molecules would have two unshared pairs of electrons on the central atom? A) H2S
B) NH3
C) CH4
D)HCN
E) CO2

Anyone know the answer?

Well you can immediately rule out a and d because if a metal were to lose or gain protons, then it would become a different element all together. the answer here is b because the positive symbol with a number refers to how many electrons the metal can give away to become stable.

Answerthe heat seperates the molecules making the powder dissolve quicker

Am i to