in modern periodic table across the second period atomic number increases atomic size
a) increases b) remains same c) increases then decreases d) decreases
Answers
Answered by
2
Answer:
d) decreases.
Explanation:
Across a period, effective nuclear charge increases as electron shielding remains constant. A higher effective nuclear charge causes greater attractions to the electrons, pulling the electron cloud closer to the nucleus which results in a smaller atomic radius. That means Atomic size decreases with increase of Atomic number across period.
Answered by
0
Answer:
c) increases then decreases
Explanation:
hope it help you!
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