Chemistry

Chemistry, 01.07.2020 15:01, Jazminruiz0527

ASAP Why do elements within a period of the periodic table have different
properties?
A. They have different arrangements of core electrons.
B. They have different numbers of valence electrons.
C. Some are metals and some are nonmetals.
D. They have different combinations of protons and neutrons.

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ASAP Why do elements within a period of the periodic table have different
properties?
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