Psi Ap Chemistry Periodic Trends Mc Review Periodic Law And The Quantum Model Worksheet Page 11
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2746. Which of the following best describes why tin considered a metal and carbon a nonmetal
despite being in the same group?
(A) Carbon has smaller atomic radium
(B) The atomic mass of tin is nearly 10 times that of carbon.
(C) Tin has less shielding of its valence electrons and a higher ionization energy.
(D) Tin has more shielding of valence electrons and a lower ionization energy.
(E) Tin has more shielding of its valence electrons and a higher ionization energy.
47. Which of the following orbitals of scandium would require the lowest frequency of light to
ionize?
(A) 2p
(B) 3s
(C) 3p
(D) 4s
(E) 3d
Electronegativity
48. Which of the following best describes the variation of electronegativity with respect to an
element’s position on the periodic table?
(A) Increases across a period; increases down a group.
(B) Increases across a period; decreases down a group.
(C) Decreases across a period; increases down a group.
(D) Decreases across a period; decreases down a group.
49. Which of the following groups of elements is arranged correctly in order of increasing
electronegativity?
(A) B < O < Al < F
(B) Al < B < O < F
(C) B < O < F < Al
(D) F < O < B < Al
50. The ability of an atom in a molecule to attract electrons is best quantified by the __________.
(A) paramagnetism
(B) diamagnetism
(C) electronegativity
(D) electron change-to-mass ratio
(E) first ionization potential
AP Chemistry
Periodic Trends
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