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If you are told that an atom has 8 neutrons and a mass of 19, how would you determine the number of protons in the atom?
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If you are told that an atom has 8 neutrons and a mass of 19, how would you determine the number of protons in the atom?

User Selmar
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2 Answers

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Subtract 8 from 19 to get the number of protons

Protons + neutrons = mass of an atom
User Yamile
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5 votes

Answer:

11

Step-by-step explanation:

The formula you would use is

Protons = mass - neutrons

mass = 19

neutrons = 8

Protons = 19 - 8

Protons = 11

User J Pullar
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