What are elements?

1 Answer
Jul 11, 2017

Answer:

Well there are about 100 or so........and elements compose ALL the matter around us......

Explanation:

And elements are substances that contain the same number of nuclear protons, and are characterized by the atomic number #Z#, which gives this number. #Z=1#, we got hydrogen, #Z=2#, we got helium, ................#Z=26#, we got iron. You don't have to learn these numbers (but you do have to know what they represent); look at the Periodic Table..........