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OpenStudy (muzzack):
What is the mass of an atom that has 4 protons, 5 neutrons and 4 electrons? 5 8 9 13
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OpenStudy (muzzack):
9 i think?
OpenStudy (shreehari499):
Yup u r absolutely rite! Mass= Neutrons + Protons...so its 9
OpenStudy (muzzack):
thx :) medalled you again
OpenStudy (shreehari499):
Wlcm!
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