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dezoksy [38]
4 years ago
12

What properties prompted Rutherford to use alpha particles and gold? (What set of experimental conditions would make it easiest

to detect differences in atomic structure?)
Chemistry
1 answer:
Ilia_Sergeevich [38]4 years ago
3 0
<span>Gold is  a stable heavy metal that is easily formed into uniform and thin sheets of measurable property. Alpha particles are relatively massive (compared to electrons) and so deflection is less dramatic and more easily measured. This is the property that prompted Rutherford to use alpha particles and gold. </span>
The particles that are positively charged were fired at the gold foil and when it reached that goldatoms’ nuclei, which are also positively charged, the particles were repelled back
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Debora [2.8K]

Explanation:

Their force of attraction is strongest in the middle of the magnet.

4 0
2 years ago
Read 2 more answers
18-19. If a sample for spectrophotometric analysis is placed in a 10-cm cell, the absorbance will be 10 times greater than the a
miss Akunina [59]

Answer:

As long as it is a blank solution of the reagent, the Absorbance will be 0 regardless of the path length.

Explanation:

Absorbance of light by a reagent of concentration c, is given as

A = εcl

A = Absorbance

ε = molar absorptivity

c = concentration of reagent.

l = length of light path or length of the solution the light passes through.

So, if all.other factors are held constant, If a sample for spectrophotometric analysis is placed in a 10-cm cell, the absorbance will be 10 times greater than the absorbance in a 1-cm cell.

But the reagent blank solution is called a blank solution because it lacks the given reagent. A blank solution does not contain detectable amounts of the reagent under consideration. That is, the concentration of reagent in the blank solution is 0.

Hence, the Absorbance is subsequently 0. And increasing or decreasing the path length of light will not change anything. As long as it is a blank solution of the reagent, the Absorbance will be 0 regardless of the path length.

Hope this Helps!!!

5 0
3 years ago
What are the effects on global food webs if the sun's energy could no longer reach Earth
gogolik [260]
They would collapse as the sun gives the producers energy to grow i.e plants through photosynthesis. Without plants most animals would die out unless humans could somehow create a food in labs without animals or plants for 6 billion people. Ultimately it would be the death of the human race and just about everything on Earth apart from some plants that live in the deep depths of the sea which have adapted to not having as much sunlight. 
6 0
3 years ago
Scientific models can be used for a variety of different purposes. Which of the following is not a possible use for a scientific
pantera1 [17]

Answer:

I think B but im not sure

Explanation:

7 0
3 years ago
If hydrogen bonds between water molecules were, collectively, not as strong as they are, how would this affect plant height?
e-lub [12.9K]

Answer:

Plants will be shorter

Explanation:

Hydrogen bonds are responsible for the movement of water through plants. As hydrogen bonds are responsible for the movement of water through plant xylem and phloem, plants would be shorter.

6 0
3 years ago
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