What makes ionic compounds brittle?
Bonding Review

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Science
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Ionic compounds are brittle because the strong attractive forces hold the layers in relatively fixed positions.
2.
FLASHCARD QUESTION
Front
What is created by the equal but opposite charges in a polar molecule?
Back
A dipole is created by the equal but opposite charges present in the two regions of a polar molecule.
3.
FLASHCARD QUESTION
Front
Why are dipole-dipole forces considered more important than London dispersion forces in polar substances?
Back
Dipole-dipole forces are considered more important because the London dispersion forces are usually much weaker than the dipole-dipole forces.
4.
FLASHCARD QUESTION
Front
What type of bond is the B—F bond in BF₃, given the electronegativities of B (2.0) and F (4.0)?
Back
The B—F bond in BF₃ is ionic.
5.
FLASHCARD QUESTION
Front
What is the percentage ionic character and type of bond in Br₂, given the electronegativity of Br (2.8)?
Back
The percentage ionic character in Br₂ is 0%; it is a nonpolar covalent bond.
6.
FLASHCARD QUESTION
Front
Define ionic bond.
Back
An ionic bond is a type of chemical bond that occurs when electrons are transferred from one atom to another, resulting in the formation of charged ions that attract each other.
7.
FLASHCARD QUESTION
Front
What is a polar molecule?
Back
A polar molecule is a molecule that has a net dipole moment due to the presence of polar bonds, which arise from differences in electronegativity between the bonded atoms.
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