The reason for the decrease in the atomic size of elements across a period is...
CHEMISTRY
WAEC 2017
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
Correct Answer: A. nuclear charge increases while the outermost electrons are drawn closer to the nucleus
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