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Vanyuwa [196]
3 years ago
12

Electrons orbit around the nucleus of atoms in allowed energy states. This is the basis of the theory of which scientist?

Chemistry
1 answer:
VMariaS [17]3 years ago
5 0
Option B. Niels Bohr's model.
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Are all acids dangerous? Give at least two examples to show what you mean.
juin [17]

Answer:

Laboratory acids are far too dangerous to taste, but you will have swallowed some dilute weak acids. Acids have a sour taste, like vinegar, which contains ethanoic acid, and lemons, which contain citric acid. These are safe to use in food, but they can still hurt if they get into a cut or into your eyes.

Explanation:

They can safely be consumed and do not irritate the skin. However, at greater concentrations weak acids can be harmful. Acids can react violently with water and are harmful in the presence of moisture in the mouth or eyes or in proximity with other aqueous solutions.

hope that helps!

4 0
4 years ago
Andre is packing for a move to Kentucky. He needs to pack 20 small paperback books whose total mass is 5 kg and some pillows who
storchak [24]
The pillows because it is larger than paperback books, in this situation just think about which is larger, I pretty sure Andre is not going to hold the boxes in his hand. 
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6 0
3 years ago
20 POINTS!!!!
Ksju [112]
I think A. is the answer
5 0
3 years ago
Aluminum fluoride contains only aluminum and fluorine. what is the formula for this compound?
attashe74 [19]
AlF3 would be the answer
3 0
3 years ago
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Explain the relationship between mutations, adaptations, natural selection, and extinction.
Masja [62]

Answer:

They all need to use each other to function?

Explanation:

Natural selection are positive traits, mutation is radioactive, and adaption is when natural selection works.

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3 years ago
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