mL6breaniiise mL6breaniiise

20-01-2017
Chemistry

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How many periods are on the periodic table?

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Michaelmouse Michaelmouse

20-01-2017

seven periods are on the periodic table going horizontally across the periodic table.

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antonbogatynevelove antonbogatynevelove

20-01-2017

I don't know if this is right, but I believe there is seven.

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