Atomic Radius Trend Short Practice

Front

What is the name of horizontal row of the periodic table?

Back

period

Front

What is the name of a vertical row in the periodic table?

Back

group

Front

Which element has the greater atomic radius: C, N, or O?

Back

Carbon

Front

Which element has the biggest atomic radius: N, P, As, or Sb?

Back

Antimony

Front

Which periodic group has the smallest atomic radius?

Back

Noble Gases

Front

What trend does atomic radius follow across a period in the periodic table?

Back

Atomic radius decreases from left to right.

Front

What trend does atomic radius follow down a group in the periodic table?

Back

Atomic radius increases down a group.

Front

Why does atomic radius decrease across a period?

Back

Increased nuclear charge pulls electrons closer to the nucleus.

Front

Why does atomic radius increase down a group?

Back

Additional electron shells are added, increasing the distance from the nucleus.

Front

What is the atomic radius of an element?

Back

The distance from the nucleus to the outermost electron shell.