4.0 Chemistry DAT (Periodic Trends)

What is Effective Nuclear charge (Zeff)

The net pull an electron actually experiences from the nucleus

What is the periodic trend of effective nuclear charge?

Effective Nuclear Charge (Zeff) increases when going left → right

What is ionization energy and its periodic trend

Energy needed to remove an electron

• Increase left → right and bottom → up

What is electron affinity and its periodic trend

Energy released by A SINGLE ATOM when electron is added

• Increases left → right and bottom → up

What is the trend with atomic radius?

Decreases going from right → left and top → bottom

What is electronegativity and its periodic trend

The ability of an atom to attract shared electrons in a bond

• Increases left → right and bottom → up

Name the alkali elements

• Li

• Na

• K

• Rb

• Cs

• Fr

Little Naughty Kids Rub Cats Furiously

Name the Alkaline elements

• Be

• Mg

• Ca

• Sr

• Ba

• Ra

Be My Cats Strong Bad Rabbit

Name the post translation elements

• Al

• Ga

• In

• Sn

• Tl

• Pb

• Bi

• Po

All Gay Indians Seniors Taste P.B and watch Bi Porn

Name the metalloid elements

• B

• Si

• Ge

• As

• Sb

• Te

Bethany’s Silly Gesutres is Ass, Sb Tee

What are the halogen elements

• F

• Cl

• Br

• I

• At

Funny Clowns Bring Ice At blank

Name the noble gases

• He

• Ne

• Ar

• Kr

• Xe

• Rn

He Never Argues, Kryptic Xenon Runs

Name the other nonmetal elements

• C

• N

• O

• P

• S

• Se

Can No One Piss Straight SEmen

What are the diatomic atoms

• H2

• N2

• F2

• O2

• I2

• C2

• Br2