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Consider the following elements and their electronic configurations W: 1s22s2 X: 1s 22s22p6 Y: 1s22s22p63s2...

Chemistry
WAEC 2008
Consider the following elements and their electronic configurations
W: 1s22s2
X: 1s 22s22p6
Y: 1s22s22p63s2
Z: 1s22s22p63s23p2. Which of the elements belong to the same group in the periodic table?
  • A. W and X only
  • B. Y and Z only
  • C. W and Y only
  • D. W, Y and Z only
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Correct Answer: Option C
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