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44 votes
44 votes
Comprehension Questions:

1. What are the horizontal (from left to
right) parts of the periodic table
called?

User Elzi
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2 Answers

23 votes
23 votes
The answer is, columns.
User Kanisha
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8 votes
8 votes
Yes ofccccccccccccc BATRKBARK
User ChenYilong
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