makaylanhanger23 makaylanhanger23

25-09-2021
Chemistry

contestada

Which element has the smallest atomic radius?

A. С
B. О
C. Ве

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brynnlofton9 brynnlofton9

25-09-2021

We know that atomic radius decreases from left to right within a period due to the increase in effective nuclear charge. Since C comes before O in the second period, O will have a smaller atomic radius than C .

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Ruchik1055 Ruchik1055

25-09-2021

Answer:

B - O

Explanation:

Carbon - 170 pm

Oxygen - 60 pm

Beryllium - 112 pm

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