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PolarNik [594]
2 years ago
7

Which phrase gives two processes scientists think move the Earth's lithospheric plates?

Chemistry
2 answers:
Olin [163]2 years ago
8 0
The answer is A.

Gravity acting on the edges of plates and convection in the mantle
lianna [129]2 years ago
4 0
Aye yo thanks for giving the answer as well! lol that’s generous for others later on
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tino4ka555 [31]

Answer:

The isotope with the greatest number of protons is:

  • <u>option D:  Pu-239, with 94 protons</u>

Explanation:

The number of <em>protons</em> is the atomic number and is a unique number for each type of element.

You can tell the number of protons searching the element in a periodic table and reading its atomic number.

Thus, this is how you tell the number of protons or each isotope

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A Pa-238       Pa                         protactinium         91                        91

B U-240         U                          uranium                 92                       92

C Np-238       Np                        neptunium            93                       93

D Pu-239        Pu                        plutonium              94                       94

8 0
3 years ago
Which nuclei are most useful for organic structure determination using nmr spectroscopy? (select all that apply.)?
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5 0
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Hi can u help me pls? I'm totally stuck . The natural source of acidity in rain water is _____.
kykrilka [37]

Answer-The correct option is option d with says all of the above.

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The carbon dioxide admitted in air combines with water to form carbonic acid and gives a weak acidic nature to rainwater. Pollution in nature makes sulphur and nitrogen present in air react to form the stronger acids responsible for acid rain.

5 0
3 years ago
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