Chemistry 111: General Chemistry 1: Practice Test 2 (Chapter 3, 4, and 5) 60 Questions with Verified Answers,100% CORRECT
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Chemistry 111: General Chemistry 1
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Chemistry 111: General Chemistry 1
Chemistry 111: General Chemistry 1: Practice Test 2 (Chapter 3, 4, and 5) 60 Questions with Verified Answers
Which of the species below has 28 protons and 26 electrons?
A) ⁵⁴₂₈Ni
B) Ni²⁺
C) ⁵⁴₂₆Fe
D) Fe²⁺ - CORRECT ANSWER B) Ni²⁺
How many electrons are in th...
Chemistry 111: General Chemistry 1: Practice Test 2
(Chapter 3, 4, and 5) 60 Questions with Verified Answers
Which of the species below has 28 protons and 26 electrons?
A) ⁵⁴₂₈Ni
B) Ni²⁺
C) ⁵⁴₂₆Fe
D) Fe²⁺ - CORRECT ANSWER B) Ni²⁺
How many electrons are in the ion, P³⁻?
A) 18
B) 28
C) 12
D) 34 - CORRECT ANSWER A) 18
In which of the following sets do all species have the same number of electrons?
A) O, O²⁻, O²⁺
B) Br⁻, Kr, Sr²⁺
C) C, N³⁻, O²⁻
D) Mg²⁺, Sr²⁺, Ba²⁺ - CORRECT ANSWER B) Br⁻, Kr, Sr²⁺
The definitive distinction between ionic bonding and covalent bonding is that
A) ionic bonding requires two nonmetals and covalent bonding requires a metal
and a nonmetal
B) covalent bonding requires two nonmetals and ionic bonding requires a metal
and a nonmetal
C) ionic bonding involves a transfer of electrons and covalent bonding involves a
sharing of electrons
, D) ionic bonding involves a sharing of electrons and covalent bonding involves a
transfer of electrons - CORRECT ANSWER C) ionic bonding involves a transfer of
electrons and covalent bonding involves a sharing of electrons
What type of bonding is found in the compound PCl₅?
A) metallic bonding
B) hydrogen bonding
C) ionic bonding
D) covalent bonding - CORRECT ANSWER D) covalent bonding
Which of the following compounds contains ionic bonds?
A) CaO
B) HF
C) SiO₂
D) NI₃ - CORRECT ANSWER A) CaO
What is the ground-state electron configuration of Se²⁻?
A) [Ar]3d¹⁰4s²4p⁶
B) [Ar]3d¹⁰4s²4p⁴
C) [Ar]3d¹⁰4s²4p²
D) [Ar]3d¹²4s²4p⁴ - CORRECT ANSWER A) [Ar]3d¹⁰4s²4p⁶
Which ion does NOT have a noble gas configuration in its ground state?
A) As³⁻
B) Sc³⁺
C) Ga³⁺
D) Al³⁺ - CORRECT ANSWER C) Ga³⁺
Which ion has the SMALLEST ionic radius?
A) Na⁺
B) Li⁺
C) K⁺
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