Chemistry

10th

grade

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S4 離子化學式

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24 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    以下哪個是鈉離子的正確化學式?

    Na2-

    Na-

    Na+

    Na3+

  • 2. Multiple Choice
    30 seconds
    1 pt

    以下那個是鉀離子的正確化學式?

    K+

    K2-

    K-

    K2+

  • 3. Multiple Choice
    30 seconds
    1 pt

    以下那個是鈣離子的正確化學式?

    Ca+

    Ca2+

    Ca

    Ca2-

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