<span>Oil and water don't mix because oil is made up of non-polar molecules while water molecules are polar in nature. Because water molecules are electrically charged, they get attracted to otherwater molecules and exclude the oil molecules. (this is from wiki)</span>
the density of a black hole is 22.61 g/cm3 i think
Hm I’m confused, if you mean what are they weighting, it’s they :)
Losing electrons and forming positive ions
