Atomic Radius

Front

What is atomic radius?

Back

The atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons.

Front

Which atom has the largest atomic radius?

Back

Francium.

Front

As you move down the periodic table, what happens to atomic size?

Back

Atoms get larger due to the addition of energy levels.

Front

What causes the increase in atomic radius down a group in the periodic table?

Back

The increase in the number of energy levels.

Front

Which element has the smallest atomic radius among Rhodium, Silver, Cadmium, and Tin?

Back

Tin.

Tags

NGSS.HS-PS1-1

Front

Which atom is larger: Hydrogen (H) or Helium (He)?

Back

Hydrogen (H) is larger.

Front

Which atom is larger: Lithium (Li) or Francium (Fr)?

Back

Francium (Fr) is larger.

Front

What trend in atomic radius is observed across a period from left to right?

Back

Atomic radius decreases from left to right across a period.

Front

Why does atomic radius decrease across a period?

Back

Increased nuclear charge pulls electrons closer to the nucleus.

Tags

NGSS.HS-PS1-1

Front

What is the relationship between atomic radius and ionization energy?

Back

Generally, as atomic radius decreases, ionization energy increases.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2