Question 10

The reason for the decrease in the atomic size of elements across a period is that

  • A.nuclear charge increases while the outermost electrons are drawn closer to the nucleus
  • B.nuclear charge decreases while the outermost electrons are drawn closer to the nucleus
  • C.valence electrons increase across the period while the valence shell remains constant
  • D.nuclear charge decreases while the distance of the valence shell from the nucleus is increasing
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2017
Question no.
#10
Type
Objective

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