What two theories can be used to predict molecular geometry?

1 answer:

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Valence shell electron pair repulsion (VSEPR) theory is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms. It is also named the Gillespie-Nyholm theory after its two main developers.

The London theory has much similarity to the quantum mechanical theory of light dispersion, which is why London coined the phrase "dispersion effect." In physics, the term "dispersion" describes the variation of a quantity with frequency, which is the fluctuation of the electrons in the case of the London dispersion.

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Agata [3.3K]

Answer:

75 cheeseburgers and 86 french fries

Step-by-step explanation:

This is a guessing math problem so do a random amount and change amount of items to get closer to the answer

81 x 3 = $243

80 x 1.50 = $120

243 + 120 = 363 -354 = 9 dollars

we need nine less dollars so 9/1.5 = 6 so six more fries

86 x 1.5 = 129

75 x 3 = 225

129 + 225 = $354

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Answer:

1.75 or 1 3/4 pieces each

Step-by-step explanation:

3 pieces per apple x 7 = 21

21/12 = 1.75

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