What if you started with 100 grams of wood and only have 95 grams of ashes produced, is mass still conserved? if so where is the missing 5 grams?

My guess is smoke. Smoke is matter.

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.

Talc (french chalk) is the ingredient