<P> A hydrogen atom is an atom of the chemical element hydrogen . The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force . Atomic hydrogen constitutes about 75 % of the baryonic mass of the universe . </P>
<P> A hydrogen atom is an atom of the chemical element hydrogen . The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force . Atomic hydrogen constitutes about 75 % of the baryonic mass of the universe . </P>
what is the common makeup of a hydrogen atom
what is the common makeup of a hydrogen atom
single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force
single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force