makaylanhanger23 makaylanhanger23
  • 25-09-2021
  • Chemistry
contestada

Which element has the smallest atomic radius?

A. С
B. О
C. Ве

Respuesta :

brynnlofton9
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

Answer Link

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