192k views
3 votes
Which of the following elements has the smallest atomic size?

User Lrrr
by
6.5k points

1 Answer

5 votes

Answer:helium

Step-by-step explanation:

As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and francium is the largest.

User Pettis Brandon
by
7.4k points