Sodium fluoride (NaF) is a compound where sodium donates an electron to fluorine, creating a strong bond. Based on the ΔEN value, which is above 1.7, what type of bond is formed?

Chemical Bonding and Tests Quiz

Quiz
•
Philosophy
•
12th Grade
•
Hard

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polar covalent bond
Non-polar covalent bond
Ionic bond
Metallic bond
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon dioxide (CO₂) is a compound formed when carbon reacts with oxygen. In this molecule, carbon is double-bonded to each oxygen atom to satisfy the octet rule. Which of the following Lewis structures correctly represents this bonding?
O=C=O
O-C=O
C=O=O
O=C-C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The water (H₂O) molecule has two hydrogen atoms bonded to a central oxygen atom, with two lone pairs of electrons on the oxygen. According to VSEPR theory, what is the molecular geometry of water?
Linear
Bent
Trigonal planar
Tetrahedral
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ammonia (NH₃) is a compound with a nitrogen atom bonded to three hydrogen atoms. Nitrogen also has a lone pair of electrons, influencing the molecule's three-dimensional shape. According to VSEPR theory, what is the molecular geometry of ammonia?
Linear
Trigonal planar
Trigonal pyramidal
Tetrahedral
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Boron trifluoride (BF₃) is a molecule where the central boron atom is bonded to three fluorine atoms. This molecule has no lone pairs on the boron atom. According to VSEPR theory, what is the molecular geometry of BF₃?
Trigonal planar
Trigonal pyramidal
Tetrahedral
Bent
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitrogen (N₂) gas makes up most of the Earth's atmosphere and is essential for life. In a nitrogen molecule, the two nitrogen atoms are triple-bonded to achieve stability. Which Lewis structure correctly represents a nitrogen molecule?
N≡N
N=N
N-N
N≡O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phosphorus trichloride (PCl₃) has a central phosphorus atom bonded to three chlorine atoms. In the Lewis structure of PCl₃, how many lone pairs of electrons are present on the phosphorus atom?
0
1
2
3
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