4.43: REVIEW WITH QUIZIZZ: UNIT 4: PERIODIC TRENDS: 5D 9W S1 23

As you move from top to bottom on the periodic table, what happens to the atomic radius?

• It increases, then decreases.
• It increases.
• It remains constant.
• It decreases.
• It decreases, then increases.

Which of these elements has the largest atomic radius: argon, phosphorus, aluminum, sodium or magnesium?

• Phosphorus (P)
• Argon (Ar)
• Aluminum (Al)
• Magnesium (Mg)
• Sodium (Na)

True or False: Fr has a larger atomic radius than C

• True
• False

True or False: Fe has a smaller atomic radius than K

• True
• False

Which of these elements has the largest atomic radius?

• Silicon (Si)
• Bromine (Br)
• Magnesium (Mg)
• Astatine (At)
• Barium (Ba)

Which of these elements has the smallest atomic radius?

• Nitrogen (N)
• Bismuth (Bi)
• Arsenic (As)
• Antimony (Sb)
• Phosphorus (P)

Which of the elements below has the highest ionization energy?

• barium (Ba)
• fluorine (F)
• carbon (C)
• calcium (Ca)

Which elements tend to have higher ionization energies?

• Metals
• Nonmetals

True or False: Na has less electronegativity than P

• True
• False

As you move from left to right on the periodic table, what generally happens to the ionization energy?

• it remains constant
• it decreases
• it cannot be determined
• it increases