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What are the horizontal rows of the periodic table called?

a. Periods
C. Columns
b. Groups
d. Rows

User Pheobe
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2 Answers

8 votes
A because there are 7 horizontal rows
User Courier
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10 votes

Answer:

The horizontal rows in the periodic table are periods, while the vertical rows are called groups.

Step-by-step explanation:

User Germano Massullo
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