The nucleus of heavy hydrogen, or deuterium, is the simplest nucleus, after the nucleus of hydrogen reduced to a single proton. The deuterium nucleus consists of a proton bound to a neutron. It occurs naturally, but is rare.
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The nucleus of heavy hydrogen, or deuterium, is the simplest nucleus, after the nucleus of hydrogen reduced to a single proton. The deuterium nucleus consists of a proton bound to a neutron. It occurs naturally, but is rare.