Periodic Trends

Front

What is electronegativity?

Back

Electronegativity is an atom's tendency to attract electrons to itself when it is chemically combined with another element.

Front

Which periodic group has the smallest atomic radius?

Back

Noble Gases have the smallest atomic radius.

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 a lower ionization energy than Scandium (Sc)?

Back

Calcium (Ca) has a lower ionization energy than Scandium.

Front

How does electronegativity change in Group 16 from top to bottom?

Back

Electronegativity decreases as you move from top to bottom in Group 16.

Front

Which atom has the largest atomic radius?

Back

Francium has the largest atomic radius.

Front

What is the trend of atomic radius across a period?

Back

The atomic radius generally decreases from left to right across a period.

Front

What is the trend of ionization energy down a group?

Back

Ionization energy generally decreases as you move down a group.

Front

What is electron affinity?

Back

Electron affinity is the amount of energy released when an electron is added to a neutral atom.

Front

How does electronegativity change across a period?

Back

Electronegativity generally increases from left to right across a period.