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MULTIPLE CHOICE – Choose the one alternative that best completes the statement or answers the question.
1)         What is the ground-state electronic configuration of a carbon atom?

 

1) ______

 

1. A)   1s  ², 2s  ², 2p  ⁵
   B)   1s  ², 2s  ², 2p  ²
   C)   1s², 2s², 2p⁶
   D)   1s², 2s², 2p⁴

 

Question Details
Difficulty : 1 Easy
Topic : Structure and Bonding
Chapter : 01
Accessibility : Keyboard Navigation
Bloom’s : 2. Understand
Section : 01.01

 

 

 

2)         What is the ground-state electronic configuration of a fluorine atom?

 

2) ______

 

1. A)   1s², 2s², 2p²
   B)   1s², 2s², 2p³
   C)   1s², 2s², 2p⁴
   D)   1s2, 2s2, 2p5

 

Question Details
Difficulty : 1 Easy
Topic : Structure and Bonding
Chapter : 01
Accessibility : Keyboard Navigation
Bloom’s : 2. Understand
Section : 01.01

 

 

 

3)         What is the ground-state electronic configuration of a magnesium cation (Mg²⁺)?

 

3) ______

 

1. A)   1s², 2s², 2p⁶
   B)   1s2, 2s2, 2p6, 3s1
   C)   1s², 2s², 2p⁶, 3s²
   D)   1s², 2s², 2p⁶, 3s², 3p²

 

Question Details
Difficulty : 1 Easy
Topic : Structure and Bonding
Chapter : 01
Accessibility : Keyboard Navigation
Bloom’s : 2. Understand
Section : 01.01

 

 

 

4)         What is the ground-state electronic configuration of a chlorine anion (Cl⁻)?

 

4) ______

 

1. A)   1s², 2s², 2p⁶
   B)   1s², 2s², 2p⁶, 3s², 3p⁶
   C)   1s², 2s², 2p⁶, 3s², 3p⁵
   D)   1s², 2s², 2p⁶, 3s², 3p⁴

 

Question Details
Difficulty : 1 Easy
Topic : Structure and Bonding
Chapter : 01
Accessibility : Keyboard Navigation
Bloom’s : 2. Understand
Section : 01.01

 

 

 

5)         Which of the following statements about valence electrons is true?

 

5) ______

 

1. 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.

 

Question Details
Difficulty : 1 Easy
Topic : Structure and Bonding
Chapter : 01
Accessibility : Keyboard Navigation
Bloom’s : 2. Understand
Section : 01.01

 

 

 

6)         Which of the following atoms will have a full 3s orbital in the ground state?

 

6) ______

 

1. A)   Hydrogen
   B)   Lithium
   C)   Potassium
   D)   Rubidium

 

Question Details
Topic : Structure and Bonding
Chapter : 01
Accessibility : Keyboard Navigation
Difficulty : 2 Medium
Bloom’s : 2. Understand
Section : 01.01

 

 

 

7)         Which of the following statements about bonding is true?

 

7) ______

 

1. A)   Covalent bonds result from the transfer of electrons from one element to another.
   B)   Ionic bonds result from the transfer of electrons from a metal to a non-metal.
   C)   Ionic bonds result from the sharing of electrons between two non-metals.
   D)   Covalent bonds result from the sharing of electrons between two metals.

 

Question Details
Difficulty : 1 Easy
Topic : Structure and Bonding
Bloom’s : 1. Remember
Chapter : 01
Accessibility : Keyboard Navigation
Section : 01.02

 

 

 

8)         Which of the following would you expect to have ionic bonds?

 

8) ______

 

1. A)   CO
   B)   FBr
   C)   NF₃
   D)   NaCl

 

Question Details
Difficulty : 1 Easy
Topic : Structure and Bonding
Chapter : 01
Accessibility : Keyboard Navigation
Bloom’s : 3. Apply
Section : 01.02