Periodic Trends Review

Front

What is the atomic radius?

Back

The atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons. It generally increases down a group and decreases across a period.

Front

Which element has the largest atomic radius in Group 18?

Back

Radon (Rn) has the largest atomic radius in Group 18.

Front

Define electronegativity.

Back

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

Front

Which element has the highest electronegativity?

Back

Fluorine (F) has the highest electronegativity.

Front

What is the trend of atomic radius in the periodic table?

Back

Atomic radius increases down a group and decreases across a period from left to right.

Front

Which group in the periodic table has the smallest atomic radius?

Back

Noble gases have the smallest atomic radius.

Front

What is metallic character?

Back

Metallic character refers to the level of reactivity of a metal. It increases down a group and decreases across a period.

Front

Which atom has the smallest metallic character?

Back

Oxygen (O) has the smallest metallic character among the given options.

Front

What is ionization energy?

Back

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

Front

How does ionization energy change across a period?

Back

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