Chemistry, 17.12.2019 13:31 simrankaurdhatt
Elements that are arranged in the same column on the periodic table belong to the same family of elements. the atoms of elements in the same family all have the same number of valence in their outer shell.
a. protons
b. neutrons
c. electrons
d. all of these
Answers: 3
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Elements that are arranged in the same column on the periodic table belong to the same family of ele...
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