# Problem: Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)? A) O &lt; F &lt; S &lt; Mg &lt; BaB) F &lt; O &lt; S &lt; Mg &lt; BaC) F &lt; O &lt; S &lt; Ba &lt; MgD) O &lt; F &lt; S &lt; Ba &lt; MgE) F &lt; S &lt; O &lt; Mg &lt; Ba

###### FREE Expert Solution

We’re being asked to rank the elements in decreasing atomic radius .

Atomic radius represents the distance from the nucleus to the outer shell of an element.

The trend of the atomic radius in the periodic table:

decreases going from left to right of a period

increases going down a group

94% (319 ratings) ###### Problem Details

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?

A) O < F < S < Mg < Ba

B) F < O < S < Mg < Ba

C) F < O < S < Ba < Mg

D) O < F < S < Ba < Mg

E) F < S < O < Mg < Ba

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Periodic Trend: Atomic Radius concept. You can view video lessons to learn Periodic Trend: Atomic Radius. Or if you need more Periodic Trend: Atomic Radius practice, you can also practice Periodic Trend: Atomic Radius practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Johnson's class at YU.