The nitrogen-14 isotope has a mass number of 14 and an atomic number of 7. How many neutrons does it have?
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7 neutron bcoz atomic mass=proton + neutron
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NO. OF NEUTRONS = MASS NO. - NO OF ELECTRINS
SO HERE NITROGEN 14 HAS AN ELECTRON OF 7
SO, NO. OF NEUTRON = 14-7
=> 7
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