The answer from this questions is the letter
B. He should not use his opinions as evidence.
Various pieces of safety equipment are used in the lab to provide protection against injury. However, the lab safety equipment which is least likely to be used when proper eye goggles are being worn is the eye wash station. If this question has the same choices as the ones posted before, the answer is letter C. eye wash station.
(4) total number of valence electrons, because they exist in the same group.
Always use least amount of sig figs possible. So this 9.7 would be (answer): 2 sig figs
