Science

7th -

9thgrade

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原子量與分子量

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11 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    若甲原子與碳原子(C-12)的質量比為2:1,則甲的原子量為何?

    6

    12

    24

    48

  • 2. Multiple Choice
    30 seconds
    1 pt

    鈉原子和鉀原子的質量比為何?(Na=23,K=39)

    1:1

    8:13

    23:39

    2:3

  • 3. Multiple Choice
    30 seconds
    1 pt

    取相同數目的甲原子與碳原子做質量的比較,結果質量比為4:3,試問甲的原子量應該為何?

    9

    12

    16

    24

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