Too many to list here! The principal ones are carbon, hydrogen, oxygen, nitrogen, phosporus and sulphur. For much more information please consider the wikipedia article 'composition of the human body'.
The elements that hydrocarbons contain are: -Hydrogen -Carbons
No. Both chlorine and hydrogen are elements. Elements cannot contain other elements.
Yes, all the mixtures contain compounds or elements.
UHHH.. IT doesn't. I guess it makes your breath smell fresher and can contain some whitening elements.
No. Hydrogen and helium are separate elements. Elements do not contain other elements. But an element can give off or take electron from other elements.
there are 25 elements in the human body.
All materials and that includes minerals contain the elements. Sulfates contain sulfur and oxygen
All periodic table groups contain elements with radioactive isotopes.
Rocks are usually not elements, but they contain elements.
All diatomic elements contain pure covalent bonds because theyre of the same elements.
No. Hydrogen an oxygen are both elements. Elements do not contain other elements.
Hydrogen and oxygen are already elements. Elements do not contain other elements.