CH4 is the formula for methane meaning it is a compound substance.
It's an elemental compound
No, Octane (C8H18) is not an elemental substance. It is a hydrocarbon compound composed of carbon and hydrogen atoms.
Graphite is a crystalline form of the element carbon, making it a pure substance or elemental compound.
Methane is a pure substance.
No, H2O is a molecular compound because it contains two types of atoms. A pure element has only the atom by itself, or combined with another atom of itself, such as H2, Cl2, I2.
methane is definatly a pure substance...
Sulfur powder is an elemental substance, not a compound. A compound is a substance made up of two or more different elements chemically bonded together, while sulfur is a single element with atoms of the same type.
The chemical compound of methane is CH4, in a molecule there are 4 hydrogen atoms joined to 1 carbon atom. Methane is also a gas at room temperature, and it odourless and colourless.
There are elemental compounds, but there is no such thing as a compound element.
Methane (CH4) is a compound because it is composed of at least two atoms of a different element.
Methane is a substance that is a chemical combination of Carbon and Hydrogen. Carbon and Hydrogen are Elements and therefore on the periodic table. Methane, the substance created by those elements, is not.
methane is a compound as one carbon atoms combines with 4 hydrogen atoms.