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 in Period 3 has the largest electronegativity?

Back

Chlorine (Cl) has the largest electronegativity in Period 3.

Front

What is atomic radius?

Back

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

Front

Which metalloid has the smallest atomic radius?

Back

Boron (B) has the smallest atomic radius among the metalloids.

Front

Which element in the Lanthanide Series has the largest atomic radius?

Back

Cerium (Ce) has the largest atomic radius in the Lanthanide Series.

Front

Which element in Period 2 has the greatest atomic radius?

Back

Lithium (Li) has the greatest atomic radius in Period 2.

Front

What is the trend of electronegativity across a period?

Back

Electronegativity increases across a period from left to right.

Front

What is the trend of atomic radius down a group?

Back

Atomic radius increases down a group due to the addition of electron shells.

Front

What is the trend of atomic radius across a period?

Back

Atomic radius decreases across a period from left to right due to increased nuclear charge.

Front

Which halogen has the smallest electronegativity?

Back

Astatine (At) has the smallest electronegativity among the halogens.