An atom of an element contains 29 electrons and 35 neutrons. Deduce the number of protons
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An atom consists of protons, electrons & neutrons.A positive atom will contain higher number of proton(H+), a negative atom will have higher number of electrons(e-) & a neutral atom will contain same number of protons & electrons.Therefore,
(i) For an atom to be neutral, the number of protons is equal to the number of electrons.
∴ Number of protons in the atom of the given element = 29
(ii) The electronic configuration of the atom is
1s2 2s2 2p6 3s2 3p6 4s1 3d10.
Which is the electronic configuration of copper
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