Chemistry 9701 · AS & A Level · Atomic structure

Atomic structure — practice question

Element X contains six more protons than element Y. Which statement has to be correct?

  • AAtoms of element Y are smaller than atoms of element X.
  • BElement X has a full shell of electrons.
  • CElement X and element Y are in the same group.
  • DElement X and element Y are in the same period.

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