Chemistry
Chemistry, 12.10.2020 06:01, natpiink

A. On the Periodic Table of Elements, columns are called ; all of these elements
have the same number of .
B. On the Periodic Table of Elements, rows are called ; all of these have the same
number of .

answer
Answers: 1

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A. On the Periodic Table of Elements, columns are called ; all of these elements
have the sam...

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