By examining electron domain geometry, one can determine that the ammonia molecule (NH3) has O one sp2 orbital.
O two sp2 orbitals.
O three sp orbitals.
O four sp3 orbitals.

Does the energy in a solid increase or decrease when changing to a liquid?

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o