A) Electronegativity decreases across a row of the periodic table.
B) Electronegativity increases down a column of the periodic table.
C) Electronegativity increases across a row of the periodic table.
D) Electronegativity does not change down a column of the periodic table.
Correct Answer
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Multiple Choice
A) I, II, IV
B) II, III, IV
C) I, III, IV
D) I, II, III
Correct Answer
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Multiple Choice
A) CO
B) FBr
C) NF3
D) NaCl
Correct Answer
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Multiple Choice
A) I
B) II
C) III
D) IV
Correct Answer
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Multiple Choice
A) Resonance structures have the same placement of electrons but different arrangement of atoms.
B) Resonance structures have the same placement of atoms but different arrangement of electrons.
C) Resonance structures have the same placement of atoms and the same arrangement of electrons.
D) Resonance structures have different placement of atoms and different arrangement of electrons.
Correct Answer
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Multiple Choice
A) 1s2, 2s2, 2p5
B) 1s2, 2s2, 2p2
C) 1s2, 2s2, 2p6
D) 1s2, 2s2, 2p4
Correct Answer
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Multiple Choice
A) They are the most tightly held electrons.
B) They do not participate in chemical reactions.
C) They are the outermost electrons.
D) They reveal the period number of a second-row element.
Correct Answer
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Multiple Choice
A) I
B) II
C) III
D) IV
Correct Answer
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Multiple Choice
A) Carbon forms 4 covalent bonds, nitrogen forms 2 covalent bonds, and oxygen forms 3 covalent bonds.
B) Carbon forms 4 covalent bonds, nitrogen forms 3 covalent bonds, and oxygen forms 2 covalent bonds.
C) Carbon forms 4 covalent bonds, nitrogen forms 5 covalent bonds, and oxygen forms 2 covalent bonds.
D) Carbon forms 4 covalent bonds, nitrogen forms 5 covalent bonds, and oxygen forms 4 covalent bonds.
Correct Answer
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