Periodic Table Trends

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom in its gaseous state.

Front

How does ionization energy change across a period in the periodic table?

Back

Ionization energy increases from left to right across a period.

Front

How does ionization energy change down a group in the periodic table?

Back

Ionization energy decreases as you move down a group.

Front

What is atomic radius?

Back

The distance from the nucleus to the outermost shell of an electron.

Front

How does atomic radius change across a period?

Back

Atomic radius decreases from left to right across a period.

Front

How does atomic radius change down a group?

Back

Atomic radius increases as you move down a group.

Front

What is electronegativity?

Back

A measure of the tendency of an atom to attract a bonding pair of electrons.

Front

How does electronegativity change across a period?

Back

Electronegativity increases from left to right across a period.

Front

How does electronegativity change down a group?

Back

Electronegativity decreases as you move down a group.

Front

What is electron affinity?

Back

The amount of energy released when an electron is added to a neutral atom.