BSU 4

Periodic Table

Periodicity of properties

Ionization Energy

• Increases from left to right in the periodic tabel

• Decreases in a group from top to bottom.

Open Ended

Why ionization energy increases from left to right in a period.

Atomic Radius

• Atomic radius depends on the nuclear force and number of shells.

Open Ended

Explain the trend of atomic radius in a period.

Multiple Choice

Atomic radius ________ in a group from top to bottom.

• remain sam

• increases

• decreases

Fill in the Blanks

Electronegativity

from left to right in a period.

Multiple Choice

Electronegativity decreases from top to bottom in a group.

• increases

• decreases

• remain same

Open Ended

Define electronegativity.