Sun 12 Jun, 2005 04:11 am - it has 13 protons, 15 neutrons, and 13 electrons.what is the mass and the charge from each.
[b]Edit [Moderator]: Moved from General to Science & Mathematics.[/b] (view)
Sun 12 Jun, 2005 04:06 am - boron 2/3
fluorine 2/7
aluminium 2/8/3
phosphorous 2/8/3
helium 2/8/5
All of the above substances are gases or low boiling point liquids.why. (view)