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Marysya12 [62]
3 years ago
10

Compare the modern (electron cloud) model of the atom with Bohr’s atomic model. Which of these statements describe the two model

s correctly? Check all of the boxes that apply.
A. Bohr’s model was replaced only because of its age.

B. Bohr’s model electrons cannot exist between orbits, but in the electron cloud model the location of the electrons cannot be predicted.

C. The modern model explains all available data about atoms; Bohr’s model does not.

D. The modern model is more widely accepted because it was proposed by more well known scientists.
Chemistry
2 answers:
AfilCa [17]3 years ago
6 0

Answer:

B. Bohr’s model electrons cannot exist between orbits, but in the electron cloud model, the location of the electrons cannot be predicted.

AND

C. The modern model explains all available data about atoms; Bohr’s model does not.

Explanation:

The answers are right on Edge. :)

Vesnalui [34]3 years ago
5 0

Answer:

B and C is the correct answer

Explanation:

Got it correct on edge

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Explanation:

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(5.625 + 8.15) x 2.34 + 3.2
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The answer is 35.4335

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Describe the main difference between the Bohr model of the atom and the Rutherford model
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2 years ago
A formic acid buffer solution contains 0. 20 m h c o o h hcooh and 0. 24 m h c o o − hcoox−. the pka of formic acid is 3. 75. wh
irina1246 [14]

A buffer solution contains an equivalent amount of acid and base. The pH of the solution with an acid dissociation constant (pKa) value of 3.75 is 3.82.

<h3>What is pH?</h3>

The amount of hydrogen or the proton ion in the solution is expressed by the pH. It is given by the sum of pKa and the log of the concentration of acid and bases.

Given,

Concentration of salt [HCOO⁻] = 0.24 M

Concentration of acid [HCOOH] = 0.20 M

The acid dissociation constant (pKa) = 3.75

pH is calculated from the Hendersons equation as,

pH = pKa + log [salt] ÷ [acid]

pH = 3.75 + log [0.24] ÷ [0.20]

= 3.75 + log (1.2)

= 3.75 + 0.079

= 3.82

Therefore, 3.82 is the pH of the buffer.

Learn more about pH here:

brainly.com/question/27181245

#SPJ4

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