An atom 'Y' contains ten electrons and ten neutrons. State
(a) The number of protons it contains
(b) The mass number of 'Y'

An atom Y contains ten electrons and ten neutrons. State The number of protons it contains

An atom Y contains ten electrons and ten neutrons. State The mass number of Y

An atom contains protons, neutrons and ______

An atom Z has a mass number twelve and contains six electrons. State The number of neutrons it contains

An atom contains the same number of protons and electrons.

An atom of an element contains 29 electrons and 35 netrons. Deduce a. The number of protons and b. The elctonic configuration of the element.