helium atom has an mass of 4u and two protons in to neucleus? how many neutrons does it have?
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2 neutrons.
mass of an atom = no. of protons+ no. of neutrons.
4= 2+ x
x= 2
so the no. of neutrons is 2
mass of an atom = no. of protons+ no. of neutrons.
4= 2+ x
x= 2
so the no. of neutrons is 2
jiyasinha2004:
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Answered by
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2 neutrons.
because no. of neutrons always equal to no. of protons.
because no. of neutrons always equal to no. of protons.
it is not necessary
hydrogen has one proton but no neutron
ok
thanks for explaining me
welcome
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