How many grams of tin are found in 3.50 moles of tin ?

Tin has a molecular weight of 118.7 That is the mass in grams of one mole. 3.50
118.7 = 415Four hundred and fifteen grams

There is one s orbital, and there are three p orbitals, five d orbitals, and seven f orbitals. thus, the answer is b. do not confuse the number of orbitals in a subshell with the number of electrons the subshell can hold. each orbital can hold two electrons, so the capacity of an nf subshell is 14 electrons.

The answer is c) pyrite