Periodic Trends

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom in its gaseous state.

Front

Which element has the highest ionization energy in Period 3?

Back

Chlorine has the highest ionization energy in Period 3.

Front

What is electronegativity?

Back

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

Front

Which element has the lowest electronegativity in Period 3?

Back

Sodium (Na) has the lowest electronegativity in Period 3.

Front

What is the trend in ionization energy across a period?

Back

Ionization energy generally increases across a period from left to right.

Front

What is the trend in ionization energy down a group?

Back

Ionization energy generally decreases down a group.

Front

What is the ionic radius?

Back

Ionic radius is the measure of an atom's ion in a crystal lattice.

Front

How does the ionic radius of cations compare to their parent atoms?

Back

The ionic radius of cations is smaller than that of their parent atoms.

Front

What is the trend in ionic radius across a period?

Back

Ionic radius generally decreases across a period.

Front

What is the trend in ionic radius down a group?

Back

Ionic radius generally increases down a group.