Metals and Water
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Which of the following metals would be the least safe to drop in water? Why?
A. lithium
B. magnesium
C. iron
D. potassium
E. aluminum.
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Solution Summary
This solution explains which, out of five given metals, is the least safe to drop in water, addressing outer shell electrons and minimal energy states.
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Metals have excess electrons - that is, they can contribute electrons much easier than non-metals.
All physical systems try to achieve minimal energy state. This means that elements will try, via chemical reactions, to achieve a situation in which the new outer electronic shell is filled with electrons.
This means that the metals will try to get rid of their outer electrons. However, once a single electron is ejected the atom (which is now an ion) becomes more positively ...
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