A standalone atom has direct part one 'nuc … A standalone atom has direct part one 'nucleus' and one 'electron_cloud'.</br></br>An O 'atom' within an O2 'molecule' is an 'e-bonded_atom'.</br></br>In this material branch, H atom is a particular case, with respect to higher atomic number atoms, since as soon as it shares its electron it has no nucleus entangled electron cloud.</br></br>We cannot say that H2 molecule has direct part two H atoms, but has direct part two H nucleus. atoms, but has direct part two H nucleus. +
