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3 years ago

7

Which statement describes the VSEPR theory?

2 answers:

Komok [63]3 years ago

7 0

Answer:

MissPhiladelphiaAmbitious

I believe the correct answer from the choices listed above is option C. The statement that describes the VSEPR theory would that electron pairs in the valence shell of an atom exert a repulsive force on all other electron pairs in the valence shell of the atom.

Read more on Brainly.com - brainly.com/question/2655666#readmore

Explanation:

From MissPhiladelphia on Brainly.com

Kisachek [45]3 years ago

4 0

I believe the correct answer from the choices listed above is option C. The statement that describes the VSEPR theory would that e<span>lectron pairs in the valence shell of an atom exert a repulsive force on all other electron pairs in the valence shell of the atom. </span>

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bazaltina [42]

Answer:

The wavelength of the energy that needs to be absorbed = 52.36 nm

Explanation:

For this study;

Let consider the Rydgberg equation from Bohr's theory of atomic model:

i.e.

$\dfrac{1}{\lambda} = R_H (Z^*)^2( \dfrac{1}{n_1^2}-\dfrac{1}{n_2^2})$

where

Z* = effective nuclear charge of atom = Z - σ = 6

n₁ = lower orbit = 3

n₂ = higher orbit = 4

$R_H$ = Rydyberg constant = 1.09 × 10⁷ m⁻¹

λ = wave length of the light absorbed

∴

$\dfrac{1}{\lambda} = 1.09 \times 10^7}(6)^2( \dfrac{1}{3^2}-\dfrac{1}{4^2})$

$\dfrac{1}{\lambda} = 1.09 \times 10^7}(36)( \dfrac{1}{9}-\dfrac{1}{16})$

$\dfrac{1}{\lambda} = 392400000\times0.0486111111$

$\dfrac{1}{\lambda} =19075000$

$\lambda = \dfrac{1}{19075000}$

$\lambda = \dfrac{1}{1.91\times 10^7 \ m^{-1}}$

$\lambda = 5.236 \times 10^{-8} m$

$\lambda = 52.36 \times 10^{-9} m$

$\lambda = 52.36\ n m$

Therefore, the wavelength of the energy that needs to be absorbed = 52.36 nm

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2 years ago