JEE Main · Chemistry

Atomic structure

6 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 6 questions

  1. How many electrons can the M shell () hold at most?
  2. How many orbitals are there in a d subshell?
  3. Which quantum number determines the shape of an orbital?
  4. The number of neutrons in is
  5. The photon emitted when a He ion falls from to has the same energy as the photon emitted when a hydrogen atom falls between which two levels?
  6. What is the electronic configuration of a neutral sodium atom (Z = 11)?

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