thisguymiguel thisguymiguel

21-02-2020
Chemistry

contestada

which two periods have the same number of elements

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steckh986 steckh986

21-02-2020

Answer:

4 & 5 have the same number of elements

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PollyP52 PollyP52

21-02-2020

Answer:

Periods 2 and 3 have the same number of elements.

Explanation:

I think periods 4 and 5 also have the same number of elements.

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