How can the number of sub-atomic particles in the species be calculated
from atomic number and mass number?
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Answer:
the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.
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Answer:
atomic number= no.of protons = no.of electrons
number of neutrons = mass number- atomic number
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