4 na(s) o2(g) → 2 na2o(s) if 10.0 g of na are reacted with 61.1 g of o2, which is the limiting reactant?

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

The total number of electrons is 14

C: 6.94 is the correct answer

They have mobile charged particles.  i hope this : )good luck!