WAEC Chemistry
The reason for the decrease in the atomic size elements across a periodic table is
a.
Nuclear charge increases while the outermost electron are drawn closer to the nucleus
b.
Nuclear charge decreases while the outermost electrons are dawn closer to the nucleus
c.
Valence electron increase across the period while the valence shell remains constant
d.
Nucleus charge decreases while the distance of the valence shell from the nucleus is increasing
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