Hydrogen as a gas, plasma, or liquid is still an element.
Oxygen is a chemical element.
H2 or hydrogen gas is neither a mixture nor a compound. It is an element because it is only made up of one element which is hydrogen.
Hydrochloric acid is a mixture, generally HCl + water.Note that in English HCl (pure, as a gas) is called hydrogen chloride.
Neither, it is a mixture of a variety of compounds.
Helium is an element. It is a noble gas. It is in the 18th period.
Methane is a chemical compound with the formula CH4. It consists of the elements carbon and hydrogen chemically bonded together, and is not a mixture.
Element.
Argon gas is an element. It will be element only. It can be part of some mixture. But never ever be a part of the compound. It is a noble gas.
Natural gas is a mixture.
Argon gas is an element. It will be element only. It can be part of some mixture. But never ever be a part of the compound. It is a noble gas.
Argon gas is an element. It will be element only. It can be part of some mixture. But never ever be a part of the compound. It is a noble gas.
Hydrogen is known as a element and a compound. Hydrogen is a light element with one proton and a gas compound with two hydrogen atoms.
Element.
hydrogen gas is H2 so it only contains hydrogen. therefore it is an element
It is an element.
Hydrogen is a chemical element, gas at room temperature, having a diatomic molecule.
IT IS A MIXTURE =] dumbo!