Practice+Exam+3A - Practice Exam 3A 1) Which one of the...

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Practice Exam 3A 1) Which one of the following represents an acceptable set of quantum numbers for an electron in an atom? (arranged as n, l, m l , and m s ) A) 2, 2, -1, -1/2 B) 1, 0, 0, 1/2 C) 3, 3, 3, 1/2 D) 5, 4, -5, 1/2 E) 2, 3, 3, -1/2 2) is the electron configuration of a(n) [] 3 10 2 4 3 4 p d s Ar atom. A) As B) V C) P D) Sb E) Sn 3) The angular momentum quantum number of the last two valence electrons in an atom of lead is A) 1 B) 2 C) 3 D) 4 E) 5 4) The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element X has a partially filled 4d subshell. What type of element is X? A) main group element B) chalcogen C) halogen D) transition metal E) alkali metal 5) In which of the following atoms is the 2s orbital closest to the nucleus? A) S B) Cl C) P D) Si E) The 2s orbitals are the same distance from the nucleus in all of these atoms 1
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6) In general, as you go across a period in the periodic table from left to right: (1) the atomic radius____________ (2) the electron affinity becomes __________negative (3) the first ionization energy ________________ A) decreases, decreasingly, increases B) increases, increasingly, decreases C) increases, increasingly, increases
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Practice+Exam+3A - Practice Exam 3A 1) Which one of the...

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