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Structure of the Atom — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The nucleus of an atom contains
  • A
    Electrons and protons
  • B
    Protons and neutrons
  • C
    Electrons and neutrons
  • D
    Electrons, protons and neutrons
✓

Answer

  1. Protons and neutrons

Explanation:

The atom consists of a tiny nucleus surrounded by moving electrons.

The nucleus contains protons, which have a positive charge equal in magnitude to the electron's negative charge.

The nucleus may also contain neutrons, which have virtually the same mass but no charge.

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