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Chemistry, 03.02.2021 02:50 palcochran1313
Which describes the elements in a given period of the periodic table?
A. They have similar chemical properties, such as chemical reactivity.
B. They have the same average atomic mass.
C. They are all in the same family.
D. They increase in atomic number sequentially from left to right.
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Which describes the elements in a given period of the periodic table?
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