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Class 10SciencePeriodic Classification of ElementsTextbook - Periodic Classification of Elements
Easy

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What,if anything,do their atoms have in common?

  • A
    They have the same number of electrons.
  • B
    They have the same number of protons.
  • C
    They have completely filled outermost shells.
  • D
    They have the same atomic mass.
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Class 10

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Periodic Classification of Elements

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Textbook - Periodic Classification of Elements

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