Paraphrasing and summarizing
Methane (CH4) = 1 carbon atom, 4 hydrogen
Sulphuric Acid (H2SO4) = 2 hydrogen atoms, 1 sulfur and 4 oxygen.
Nucleus is the right answer i guess
To convert milliliters to liters, you should divide the milliliters by 1000. When we do that here, we will see that there are 0.0456 liters in 45.6 milliliters.