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ArbitrLikvidat [17]
3 years ago
6

Help please giving brainliest

Chemistry
2 answers:
Kitty [74]3 years ago
8 0

Answer:

i think protons and neutrons

Explanation:

im not sure tho

umka21 [38]3 years ago
3 0

Answer:

Atomic mass is calculated by adding <u>the masses of protons </u> and <u>neutrons in a given atom of an element.</u>

Explanation:

For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit (amu). By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

Atomic mass is (just slightly less than) the sum of the masses of protons and neutrons in a given atom of an element.

hope this helps and is correct! :)

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A meteorologist?? I could be totally wrong though! :)


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4 years ago
What would be the volume in millilitres of a blood sample of 2.15 microliters (ul)?​
Zanzabum

2.15 x 10⁻³mL

Explanation:

Given parameter:

    Volume of blood sample in uL = 2.15uL

Conversion           uL → mL

   micro- and milli-  are both prefixes of sub-units.

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The problem is converting from micro to milli:

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Volume brainly.com/question/5055270

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How many liters of nitrogen dioxide are in 16 g of NO2 at STP?
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Doesnt the number of carbon atoms stay the same.
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7 0
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