The atmosphere.
proteins
Charcoal is an impure form of carbon, created from a variety of things, there is no definite formula for charcoal EDIT:(acslayder15) actually charcoal is a compound, it is made up of different types of elements anyway the chemical formula is C7H4O (mostly carbon, with some hydrogen and oxygen)
Carbon and hydrogen atoms
Carbon is a non meta element. Atomic mass of it is 12.
Hydrogen, carbon and oxygen are the elements found in H2CO3
Water is not an element, it is a compound composed of hydrogen and oxygen.
Butane is a compound that contains carbon and hydrogen atoms.
Methane is not an element. It is a compound of two elements: carbon and hydrogen.
They are each an element A hydro-carbon is a compound
Sucrose is a compound composed of carbon, hydrogen, and oxygen atoms. It is not an element or a mixture.
Hydrocarbons are not an element, they are a type of compound. They are composed of only hydrogen and carbon atoms.
The elements in this compound are: carbon hydrogen oxygen
Not necessarily. The element with the largest subscript doesn't always have the largest percent by mass in a compound. The percent by mass of an element in a compound is determined by its atomic mass and the total molar mass of the compound.
Sugar is a compound, specifically a carbohydrate known as sucrose. It is made up of carbon, hydrogen, and oxygen atoms bonded together. It is not an element on its own.
methane is a compound as one carbon atoms combines with 4 hydrogen atoms.
Alcohol is a compound. It is a chemical substance made up of carbon, hydrogen, and oxygen atoms.