Chemistry

10th

grade

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periodic table

6
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10 questions

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  • 1. Fill in the Blank
    20 seconds
    1 pt

    what is the atomic number of silver

  • 2. Fill in the Blank
    20 seconds
    1 pt

    what is the symbol of Tin

  • 3. Fill in the Blank
    20 seconds
    1 pt

    what is the sum of atomic numbers of Cadmium and Neon ?

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