What is electronegativity?
AP Chemistry Unit 2 Review final

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Chemistry
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. It is a key concept in understanding chemical bonding.
2.
FLASHCARD QUESTION
Front
Arrange the following elements in order of increasing electronegativity: antimony, fluorine, indium, selenium.
Back
indium, antimony, selenium, fluorine
3.
FLASHCARD QUESTION
Front
What is the formal charge on carbon in a neutral molecule?
Back
The formal charge on carbon in a neutral molecule is typically 0, assuming it forms four bonds.
4.
FLASHCARD QUESTION
Front
What type of bond is formed between sodium (Na) and iodine (I)?
Back
Ionic bond.
5.
FLASHCARD QUESTION
Front
What does VSEPR stand for?
Back
VSEPR stands for Valence Shell Electron Pair Repulsion, a model used to predict the geometry of individual molecules.
6.
FLASHCARD QUESTION
Front
What is the VSEPR shape of PCl5?
Back
Trigonal bipyramidal.
7.
FLASHCARD QUESTION
Front
What is the bond length of a diatomic hydrogen molecule (H2)?
Back
The bond length of H2 is approximately 0.74 Å (angstroms).
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