Calcium and magnesium belong to the group of the periodic table because both?

CHEMISTRY
WAEC 2019

Calcium and magnesium belong to the group of the periodic table because both?

  • A. are metals
  • B. form cations
  • C. form colourless salts
  • D. have same number of valence electrons

Correct Answer: D. have same number of valence electrons



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