What is the chemical formula of aluminium chloride

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.