odamearay123 odamearay123

20-04-2021
Physics

contestada

the atom of an element x has 21protrons and 23neutrons. What is the
(a) Electron number
(b) Mass number
(c) Neutron number

Respuesta :

jadanora2015 jadanora2015

20-04-2021

A. 21 electrons
B. 44
C. 23 neutrons

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