Proteins play a role in virtually every activity and structure of life, thus earning them the name of the "workhorse molecules." Like carbohydrates and lipids, they contain hydrogen, oxygen, and carbon, but unlike them, they often contain sulfur as well.
Sulfur is an element because it contains only one type of molecule. Whereas, compounds have more than one type of molecule.
Since the total molecule must have zero net oxidation state and there are two oxygen atoms but only one sulfur atom, the sulfur must have oxidation state +4.
S8 is more of an element than a compound. An element is only itself, and that sort of fits the bill, and a compound is something made of two or more elements, but 'molecule' would better fit the definition of that.
Sulfur is a pure chemical element, so the only thing that makes up sulfur is, well, sulfur.
There is only one sulfur atom. The S is sulfur, and there is no number next to it.
Sulfur is an element because it contains only one type of molecule. Whereas, compounds have more than one type of molecule.
Since the total molecule must have zero net oxidation state and there are two oxygen atoms but only one sulfur atom, the sulfur must have oxidation state +4.
The molecule SF4 doesn't have eight electrons like most atoms, it can expand the octet because sulfur has 6 valence electrons and each fluorine only needs one electron to share with sulfur so that leaves to remainder.
F2 is not a compound; it is the chemical formula for a diatomic molecule of fluorine. Compounds refer only to substances formed out of two or more different elements. This molecule of fluorine, however, represents just one element.
Sulfur is a fundamental element; it is only composed of sulfur.
sulfur dioxide is made up of sulfur,carbon, and oxygen
S8 is more of an element than a compound. An element is only itself, and that sort of fits the bill, and a compound is something made of two or more elements, but 'molecule' would better fit the definition of that.
Anthrax can be used as a biological weapon as only 100gms. of Anthrax released over a major city may cause up to 3 million casualties.
Sulfur is a pure chemical element, so the only thing that makes up sulfur is, well, sulfur.
Sulfur is an element in its own right. So the only element that makes up sulfur is sulfur.
Sulfur dioxide O - S - 0 has two valence pairs on one side of the sulfur, so the oxygens are bent downwards, making it a polar molecule (the bends make it asymmetric) Meanwhile, Carbon dioxide, O=C=O has only double bonds around the central atom, no unbonded pairs, so it is a linear, and therefore non-polar molecule. (It is symmetric)
There is only one sulfur atom. The S is sulfur, and there is no number next to it.