Common glass is made from sand, SiO2, Na2O and CaO. Concrete is a mixture of rocks (aggregate), sand, and water.
The elements that must combine to make propane are C and H, using symbols. These are carbon and hydrogen, respectively.
Elements are pure samples of only one type of atom. By definition, elements combing make a compound. You cannot have a pure combination of something.
No. On their own they are elements. Carbohydrates do consist of carbon hydrogen and oxygen, but these elements can combine to make other compounds as well.
you see mr. potter you're a wizard
answer?
Common glass is made from sand, SiO2, Na2O and CaO. Concrete is a mixture of rocks (aggregate), sand, and water.
uranium and hydrogen and silicon thats all
Common glass is made from sand, SiO2, Na2O and CaO. Concrete is a mixture of rocks (aggregate), sand, and water.
nuclear fusion
Common glass is made from sand, SiO2, Na2O and CaO. Concrete is a mixture of rocks (aggregate), sand, and water.
yes
Elements chemically combine to make molecules.
Yes
to make babies
Proteins
Silicon and oxygen
Molecule