Periodic Trend Review

The nucleus has _____ charge

• no charge

• a negative

• a positive

2 atoms in the same period are being compared. The atom with the ________ number of protons would have a greater effective nuclear charge

• greater

• fewer

Electrons in the 3s orbital would experience _______ shielding than electrons in the 5s orbital

• more

• less

• the same

Electrons closer to the nucleus would be _______ shielded than those farther from the nucleus

• more

• less

• the same

Cations _______ electrons and have a _______ charge

• gain, positive

• gain, negative

• lose, positive

• lose, negative

Anions _______ electrons and have a _______ charge

• gain, positive

• gain, negative

• lose, positive

• lose, negative

Match the following periodic trend with the correct description

• energy to remove an electron

• Ionization Energy

• atom attracting electrons in a bond

• Ion Size

• how large or small an atom is

• Atomic Radius/ Size
• size when gaining or losing electrons

• Electronegativity

Place the correct periodic trend based on whether it increases or decreases across a period in the correct column

Groups:

(a) Increases across a period

,

(b) Decreases across a period

• Ion Size

• Electronegativity

• Atomic Radius/ Size

• Ionization Energy

Place the correct periodic trend based on whether it increases or decreases down a group in the correct column

Groups:

(a) Increases down a group

,

(b) Decreases down a group

• Ion Size

• Atomic Radius/ Size

• Ionization Energy

• Electronegativity

What element has a larger radius?

• K

• Ca