Name an element which does not posses any neutron ?
(a) Name an element which does not contain a neutron.
(b) If an atom contains one electron and one proton, will it carry any charge or not?
Name the following :
(a) The element which does not contain any neutron m its nucleus.
(b) An element having valency 'zero'.
(c) Metal with valency 2.
(d) Two atoms having the same number of protons and electrons but different number of neutrons.
(e) The shell closest to the nucleus of an atom.