What is a Lewis Structure?
Practice Problems Unit 4 Lesson 2

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Chemistry
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A Lewis Structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
2.
FLASHCARD QUESTION
Front
What does polarity refer to in chemistry?
Back
Polarity refers to the distribution of electrical charge over the atoms joined by the bond. A polar bond occurs when there is a difference in electronegativity between the bonded atoms.
3.
FLASHCARD QUESTION
Front
What is the difference between polar and nonpolar molecules?
Back
Polar molecules have a net dipole moment due to the presence of polar bonds, while nonpolar molecules do not have a net dipole moment, often due to symmetrical arrangements.
4.
FLASHCARD QUESTION
Front
How do you determine the molecular geometry of a molecule?
Back
Molecular geometry can be determined using the VSEPR (Valence Shell Electron Pair Repulsion) theory, which states that electron pairs around a central atom will arrange themselves to minimize repulsion.
5.
FLASHCARD QUESTION
Front
What is the molecular geometry of BrF3?
Back
The molecular geometry of BrF3 is trigonal bipyramidal.
6.
FLASHCARD QUESTION
Front
What is the molecular geometry of PCl5?
Back
The molecular geometry of PCl5 is trigonal bipyramidal.
7.
FLASHCARD QUESTION
Front
What is a bonding pair of electrons?
Back
A bonding pair of electrons refers to a pair of electrons that are shared between two atoms, forming a covalent bond.
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