An atom's lewis dot structure has two dots. which of the following elements could it be, and why? calcium, because it is an alkaline earth metal with two inner shell electrons. carbon, because it has two electrons in its outermost p sublevel. lithium, because it is a group 1 element with two bonding electrons. magnesium, because it is a group 2 element with two valence electrons.
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State one important difference between a physical change and a chemical change?
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The ammonia molecule in the diagram has the observed bond orientation because
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Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.
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An atom's lewis dot structure has two dots. which of the following elements could it be, and why? c...
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