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Vlad [161]
3 years ago
8

Why did the atomic model theory change over time

Chemistry
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:

The atomic theory has changed over time as new technologies have become available. Scientific knowledge builds on past research and experimentation. 400 B.C. Democritus, a philosopher in ancient Greece, began the search for a description of matter.

Explanation:

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This may help you
Use an arbitrary mass, 100 g is an easy number to work with. 60% of 100 g is 60 g, there are two A's. Each A is 30 g 40 g is B, and there is only one, so B is 40 g. <span>A<span>B2</span></span>, would have a mass of 30 g + 2*40 g = 110 g The new percent by mass composition of A is: <span><span><span>30g</span><span>110g</span></span>∗100%=27.3%</span> The new percent by mass composition of B is: <span><span><span><span>80g</span><span>110g</span></span>∗100%=72.7%</span></span>
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Answer:

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Answer:

A

Explanation:

It is correct please I hope it helps! :)

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What is a hot spot? ( Must be in your own words) Pleaseeee Hurryy
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Answer:

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Hope this is what you mean be hot spot!

I hope this helps you!  

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