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Chemistry and Chemical Reactivity Study Set 1

Chemistry

Quiz 8 :

The Structure of Atoms and Periodic Trends

Quiz 8 :

The Structure of Atoms and Periodic Trends

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The procedure by which electrons are assigned to (or built up into) orbitals is known as the ____ principle.
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Answer:

A

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Which of the following statements concerning the Pauli exclusion principle is/are CORRECT? 1.If two electrons occupy the same orbital they must have opposite spins. 2.No two electrons in an atom can have the same four quantum numbers. 3.Electrons with opposing spins are attracted to each other.
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Answer:

D

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The small, but important, energy differences between 3s, 3p, and 3d electrons is a consequence of
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Answer:

D

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What is the maximum number of electrons that can occupy the n = 3 shell?
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How many electrons can be described by the quantum numbers n= 3 and l= 2?
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Which of the following statements is true concerning the electron configuration [Xe]6p2?
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What is the maximum number of electrons that can occupy one s orbital?
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Which of the following orbital occupancy designations is incorrect?
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aa
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Which of the following statements is true?
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Which of the following elements is found in the d-block of the periodic table?
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According to the Aufbau principle, which of the following subshells is typically filled next after the 4s subshell?
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Which of the following sets of quantum numbers is allowed?
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An element that has the same ground state valence-shell electron configuration as thallium is
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How many unpaired electrons are found in the ground state electron configuration of barium (ba)?
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aa
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How many electrons can be described by the following quantum numbers: n = 3, img = 2, img = 1?
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How many electrons can be described by the following quantum numbers: n = 4, img = 2, img = 2, ms = -1/2?
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Electrons with opposing spins are attracted to each other.
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How many valence electrons does an arsenic atom have?
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