Which of the following elements is the largest?

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.

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

Explanation:

Because I said so.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;