A new piece of chalk has a mass of about 30g. How many pieces of chalk could be made from one
mole of calcium carbonate particles? Could you hold one mole of calcium carbonate particles in your
hand?

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )