Which of these belongs in the outermost shell (energy level) of an atom? A)Neutrons
B)Photons
C)Electrons
D)Protons

Which compounds have the empirical formula ch2o? a.c2h4o2 b.c3h6o3 c.ch2o2 d.c5h10o5 e.c6h12o6

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)