an element contains just one type of atom a compound contains two or more types of atom joined together a mixture contains two or more different substances that are not joined together the ...

And that’s it! Nearly everything in this room, in your room, and in the entire universe, is made of: elements with one kind of atom, compounds containing different types of atoms chemically ...

S cientists have discovered what could be one of the most bitter substances known to date. The potent chemical compound comes ...