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12. Describe how each of the following are related.
a. Group number and number of valence electrons
for representative elements
b. Principal energy level of valence electrons and
period number
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The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
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12. Describe how each of the following are related.
a. Group number and number of valence electrons...
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