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

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?