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snow_tiger [21]
1 year ago
5

Which of the following would be appropriate reason(s) for scientists to reject atomic theory?

Chemistry
1 answer:
yKpoI14uk [10]1 year ago
3 0

The appropriate reasons for scientists to reject atomic theory are :

  • Evidence that some kinds of matter are made up of waves instead of particles ( B )
  • Observations that cannot be explained by the theory ( C )

<h3>What is atomic theory ?</h3>

Atomic theory states that every material substance is composed of similar minute particles known as atoms which share the same properties. these particles ( atoms ) bound together to form a matter.

Matter is composed of particles ( atoms ) and not wave also certain observations that cannot be explained will lead to the discredit of the atomic theory.

Hence we can conclude that The appropriate reasons for scientists to reject atomic theory are : Evidence that some kinds of matter are made up of waves instead of particles and Observations that cannot be explained by the theory

Learn more about atomic theory : brainly.com/question/1876441

#SPJ1

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A new compound was recently discovered and found to have an atomic weight of 342.38 amu. This element has two isotopes, the ligh
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Answer:

The mass of heavier isotope is 345.6 amu.

Explanation:

Given data:

atomic wight of compound = 342.38 amu

lighter isotope mass = 340.91 amu

abundance of lighter isotope = 68.322%

mass of heavier isotope = ?

Solution:

average atomic mass = ( % age abundance of lighter isotope × its atomic mass) + (% age abundance of heavier isotope × its atomic mass)  / 100

percentage of heavier isotope = 100- 68.322 = 31.678

Now we will put the values in formula.

342.38  = (68.322× 340.91) + (31.678 × X) / 100

342.38 = 23291.65302 +  (31.678 × X) / 100

342.38 × 100 = 23291.65302 +  (31.678 × X)

34238 -23291.65302 =  (31.678 × X)

10946.35 / 31.678 = X

345.6 = X

The mass of heavier isotope is 345.6 amu.

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