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Katarina [22]
2 years ago
10

Which of the following is best revealed by the Bohr Model? . A. Electrons are found only within the nucleus of an atom.

Chemistry
1 answer:
ICE Princess25 [194]2 years ago
4 0
The answer is d electrons orbit the nucleus of an atom in fixed electron shells
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What are the different sciences at GCSE
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What is the mass, in grams, of a cube of copper that has a volume of 62.2 cm3?
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Why is the pH scale important in science? Give several examples of scientific applications.
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See the answer below

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<em>The pH scale is important in science because it gives an indication of how acidic or basic a solution is. The scale ranges from 0 - 14 with 0 being the most acidic and 14 being the most basic while a pH of 7 is a neutral pH.</em>

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In agriculture, the pH condition of the soil on which crops are grown is quite important. While some crops require slightly acidic soil, some will only do well in alkaline soil. Hence, the pH condition of the soil must be monitored to ensure the optimal yield of crops.

Several industrial processes require the monitoring of pH in order to ensure product's quality or monitor some important reactions. In food industries, for example, monitoring the pH of reactions is necessary in order to prevent contamination by pathogens or ensure a good organoleptic quality of the final product. It is also necessary to monitor the pH of industrial wastewaters in order to avoid polluting the environment.

Monitoring pH is also important for environmental monitoring, The pH of various water bodies or soil can give an indication of the level of pollution in the water or the soil.

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1. Which is the correct measurement for the box below?
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