Problem: Consider the elements: Na, Mg, Al, Si, P.Which element has the largest atomic radius?

FREE Expert Solution

We’re being asked to identify the atom that has the largest atomic radius.

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

Trend of the atomic radius in the periodic table:

decreases going from left to right of a period
increases going down a group

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Problem Details

Consider the elements: Na, Mg, Al, Si, P.

Which element has the largest atomic radius?

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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 Trends: Atomic Radius concept. You can view video lessons to learn Periodic Trends: Atomic Radius. Or if you need more Periodic Trends: Atomic Radius practice, you can also practice Periodic Trends: Atomic Radius practice problems.