- Physical Sciences
a hydrocarbon with single bonds between carbon atoms and one hydrogen replaced by a hydroxyl group.
a substance that can donate or accept a proton. It can act as an acid or a base.
SystÃ¨me International dâUnitÃ©s. Internationally agreed coherent system of units: distance in...
four shared electrons, or two shared pairs of electrons (or two covalent bonds) between the same...