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science 8th grade

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how many periods are there in the main body of the periodic table?

  • science 8th grade -

    I need it big time!!!!!!!

  • science 8th grade -

    There are 7. The bottom two rows on the periodic table are actually part of the sixth and seventh row so therefore there are just 7.

  • science 8th grade -

    7 PERIODS

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