Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

Element X contains $7$ protons. Element Y contains $8$ more protons than X. Which statement correctly describes element Y?

  • AY has more electron shells than X.
  • BY has more electrons in its outer shell than X.
  • CY is in a different group of the Periodic Table from X.
  • DY is in the same period of the Periodic Table as X.

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