Based on relative location on the periodic table,a carbon atom is larger in atomic size than a phosphorous atom.

Question

Quizplus · Accepted Answer

Carbon and phosphorous are both nonmetals located in the third period of the periodic table. As you go from left to right across a period, atomic size generally decreases due to increasing nuclear charge. Therefore, phosphorous, located to the right of carbon in the third period, has a larger atomic size than carbon.

Based on Relative Location on the Periodic Table,a Carbon Atom