Chemistry Periodic Table Trends

Front

What is the periodic trend for atomic radius across a period?

Back

Atomic radius decreases from left to right across a period due to increasing nuclear charge, which pulls electrons closer to the nucleus.

Front

What is the periodic trend for atomic radius down a group?

Back

Atomic radius increases down a group due to the addition of electron shells, which outweighs the increase in nuclear charge.

Front

Which element has the smallest atomic radius among Mg, Al, Si, and K?

Back

Silicon (Si) has the smallest atomic radius among these elements.

Front

Which element has the largest atomic radius?

Back

Francium (Fr) has the largest atomic radius among the given options.

Front

What is the periodic trend for ionization energy across a period?

Back

Ionization energy increases from left to right across a period due to increasing nuclear charge.

Front

What is the periodic trend for ionization energy down a group?

Back

Ionization energy decreases down a group due to increased distance of the outer electrons from the nucleus.

Front

Which group of elements has the highest first ionization energies?

Back

Noble gas elements have the highest first ionization energies.

Front

What is electronegativity?

Back

Electronegativity is the ability of an atom to attract electrons in a chemical bond.

Front

What is the periodic trend for electronegativity across a period?

Back

Electronegativity increases from left to right across a period.

Front

What is the periodic trend for electronegativity down a group?

Back

Electronegativity decreases down a group.