Can someone help me with these questions plz

Physics

1 answer:

Helga [31]3 years ago

7 0

periods go left to right. The periodic table also has a special name for its vertical columns. Each column is called a group. So A is a period and B is columns. Hope I helped. Give me a minute to try and get the others.

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Zolol [24]

Answer:

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Explanation:

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Explanation in File!

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