IMFs and Lewis Structures
Flashcard
•
Chemistry
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are intermolecular forces (IMFs)?
Back
Intermolecular forces (IMFs) are forces of attraction or repulsion between neighboring particles (molecules, atoms, or ions). They play a crucial role in determining the physical properties of substances, such as boiling and melting points.
2.
FLASHCARD QUESTION
Front
How do stronger intermolecular forces affect boiling points?
Back
Substances with stronger intermolecular forces have higher boiling points compared to those with weaker forces.
3.
FLASHCARD QUESTION
Front
What does each line in a Lewis Structure represent?
Back
Each line (bond or lone pair) in a Lewis Structure represents 2 electrons.
4.
FLASHCARD QUESTION
Front
What is the Lewis structure for CH₄?
Back
In the Lewis structure for CH₄ (methane), carbon is surrounded by 4 hydrogen atoms, and there are no unshared electron pairs around the carbon.
5.
FLASHCARD QUESTION
Front
What is the shape of the molecule PBr₃?
Back
The correct Lewis structure for PBr₃ shows a trigonal pyramidal shape.
6.
FLASHCARD QUESTION
Front
What type of bond exists between sulfur and oxygen in SO₂?
Back
In SO₂, there is one single bond and one double bond between sulfur and oxygen.
7.
FLASHCARD QUESTION
Front
What is the significance of lone pairs in Lewis Structures?
Back
Lone pairs in Lewis Structures represent unshared pairs of electrons that can influence the shape and reactivity of the molecule.
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