32.1k views
0 votes
Which element has the smallest atomic radius?

A. С
B. О
C. Ве

2 Answers

3 votes

Answer:

B - O

Step-by-step explanation:

Carbon - 170 pm

Oxygen - 60 pm

Beryllium - 112 pm

User Iargin
by
7.8k points
3 votes
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 .
User MariusSiuram
by
8.2k points

Related questions

asked Jun 25, 2021 75.0k views
WirelessKiwi asked Jun 25, 2021
by WirelessKiwi
9.2k points
1 answer
2 votes
75.0k views
asked May 10, 2021 57.8k views
Tyesha asked May 10, 2021
by Tyesha
9.6k points
1 answer
5 votes
57.8k views