danielthetough danielthetough

03-05-2017
Chemistry

contestada

if an unknown element has a mass number of 14 and 7 neutrons how many protons are there

Respuesta :

JavierCollante JavierCollante

03-05-2017

there are 7 protons. The mass number is the addition of all protons and neutrons in a given element. To find the protons, simply subtract the mass number by the neutrons. 14-7 neutrons= 7 protons

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