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5 votes
What are 1A, 3B, and 7A examples of on the periodic table?

groups.
numbers
periods
rows

User Dschu
by
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2 Answers

4 votes

Answer:

It's groups

Step-by-step explanation:

2020 quiz

User Linucks
by
8.5k points
2 votes

Answer:

groups

Step-by-step explanation:

I got a 100 on my quiz

User Leang Socheat
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