AP Chemistry Review Trends

protons

electrons

​The more protons in the nucleus, the stronger the pull, because there is a stronger Effective Nuclear Charge (Z_eff)

Multiple Choice

Which element has a larger radius?

• Oxygen (O)

• Sulfur (S)

• Tellurium (Te)

• Polonium (Po)

Multiple Choice

Which element has a larger radius?

• Bromine (Br)

• Potassium (K)

• Gallium (Ga)

• Arsenic (As)

​

​A larger energy value (more positive) means the electron is HARDER to remove.

Multiple Choice

Which has a higher ionization energy?

• Hydrogen (H)

• Lithium (Li)

• Potassium (K)

• Cesium (Cs)

Multiple Choice

Which has a higher ionization energy?

• Xenon (Xe)

• Rubidium (Rb)

• Strontium (Sr)

• Iodine (I)

Multiple Choice

Which has a higher (more negative, greater) electron affinity?

• Iodine (I)

• Cesium (Cs)

• Fluorine (F)

• Silicon (Si)

Multiple Choice

Which element has zero electron affinity (does not "want" an electron at all?)

• Francium (Fr)

• Chlorine (Cl)

• Oxygen (O)

• Neon (Ne)

MUCH AN ATOM ATTRACTS

IN BONDING

form bonds

Multiple Choice

Which element has the highest electronegativity?

• Fluorine (F)

• Iodine (I)

• Bromine (Br)

• Chlorine (Cl)

Multiple Choice

Which element has the highest electronegativity?

• Potassium (K)

• Titanium (Ti)

• Bromine (Br)

• Krypton (Kr)