Chemistry

9th -

12thgrade

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Structure of Atom Class 9 CBSE

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17 questions

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  • 1. Multiple Choice
    45 seconds
    12 pts
    The subatomic particle that determines the identity of an element.
    neutron
    proton
    electron
    outer shell
  • 2. Multiple Choice
    1 minute
    1 pt
    What is the mass number and name of an element with 8 protons and 8 neutrons?
    16 - Carbon
    16 - Oxygen
    24 - Oxygen
    8 - Neon
  • 3. Multiple Choice
    1 minute
    12 pts
    An element with a mass number of 10 and an atomic number of 6 has how many protons?
    5
    8
    6
    10
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