How can there be so many different kinds of matter when there are only 118 different types of atoms in the world?

How many moles are contained in 5.6 l of h2 at stp

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere

372 ml is the volume of aluminum, density is 2.70 g/ml what is the mass in grams