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The two elements 11X and 19Y are in the same group because they have the...

Chemistry
WAEC 2014
The two elements 11X and 19Y are in the same group because they have the same
  • A. valence electrons
  • B. ionization energy
  • C. number of shell
  • D. atomic size
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Correct Answer: Option A
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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