True or False: It's impossible for two electrons to occupy the
same 2s orbital because it is a violation of the Pauli
Exclusion Principle.
True
False

The first element on the periodic table of elements is carbon. a. true b. false

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

Which of two curves exhibits exponential growth