Physics 0625 · IGCSE · The nuclear model of the atom

The nuclear model of the atom — practice question

Atom P contains 6 electrons, 6 protons and 6 neutrons. Atom Q contains 6 electrons, 6 protons and 7 neutrons. Which statement is correct?

  • AAtom P has atomic number 12.
  • BAtom P has nucleon number 6.
  • CAtom Q has nucleon number 13.
  • DAtoms P and Q are different chemical elements.

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