Education, Chemistry

8th

grade

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Perioodilisustabel

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29 questions

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  • 1. Multiple Choice
    5 minutes
    1 pt

    II A rühmas asuvad

    Pb, Ni, K

    Mg, Fe, P

    Ca, Ba, Ti

    Ca, Mg, Be

  • 2. Multiple Choice
    5 minutes
    1 pt

    Cu, Fe, Ca asuvad 4 perioodis

    õige

    vale

  • 3. Multiple Choice
    5 minutes
    1 pt

    Hapniku väliskihis on mitu elektroni?

    6

    8

    4

    2

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