3 years ago

How do you find the amount of nuetrons in an atom?

2 answers:

8 0

The mass number is the sum of protons and neutrons in the nucleus. The atomic number is the number of protons. Therefore, you can subtract the atomic number from the mass number to find the number of neutrons.

weeeeeb [17]3 years ago

4 0

You would subtract the atomic number from the mass weight. <span />

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tigry1 [53]

Answer:

The percent of change is 22.22%.

Step-by-step explanation:

You can calculate the percent of change by subtracting the original number from the final number and dividing that by the original number. Then, you have to multiply the result for 100:

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