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The proton is a subatomic pairticle wi the seembol
an a positive electric charge o 1 elementary charge. Ane or mair protons are present in the nucleus o each atom. The nummer o protons in each atom is its atomic nummer. The name proton wis given tae the hydrogen nucleus bi Ernest Rutherford in 1920, acause in previous years he haed discovered that the hydrogen nucleus (kent tae be the lichtest nucleus) could be extractit frae the nuclei o nitrogen bi collision, an wis thus a candidate tae be a fundamental pairticle an biggin block o nitrogen, an aw ither hivier atomic nuclei.