2 years ago

Ok so I don't understand how to do this-

1 answer:

3 0

Answer:

Oh, you are supposed to look up the yearly temp, and yearly rain for a certain area. I did this before!

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dimaraw [331]

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azamat

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Dahasolnce [82]

Answer:

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tatiyna

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Svet_ta [14]

Answer:

The number of neutrons present in one atom of isotope of Silicon of mass 28 amu is<u> 14 neutrons</u>

Explanation:

Symbol of Si isotope

$_{14}^{28}\textrm{Si}$

<u>Number of Neutron = Mass number - Atomic Number</u>

Mass number = Total number of protons and neutrons present in the nucleus of the atom.For Si = 28 amu

Atomic Number = Total number of Protons present in the nucleus.

Si = 14

Number of neutron = 24 - 14

= 14

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3 years ago