Periodic Trends

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 highest electronegativity?

Back

Fluorine (F) has the highest electronegativity of all elements.

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 from top to bottom within a group.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom in the gas phase.

Front

How does ionization energy change across a period?

Back

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

Front

How does ionization energy change down a group?

Back

Ionization energy generally decreases from top to bottom within a group.

Front

Which has a higher ionization energy: Na or Cl?

Back

Chlorine (Cl) has a higher ionization energy than sodium (Na).

Front

What is atomic radius?

Back

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

Front

How does atomic radius change across a period?

Back

Atomic radius decreases from left to right across a period.