A reactive non-metal.
it's an element!
Hydrogen is an element. So the only element in hydrogen is hydrogen.
The element Hydrogen .
Hydrogen (H) is an element. Hydrogen gas (H2) is a molecule.
An element is a substance that contains only one kind of atom. Examples include hydrogen, oxygen, and carbon. Each element is defined by the number of protons in its atomic nucleus.
hydrogen is but not oxygen
Hydrogen is an element, there will be atom that makes up an element and not element that will turn into another.
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.
Hydrogen is an element because it is made up of only one type of atom, which is hydrogen itself. When two hydrogen atoms bond together, they form a hydrogen molecule (H2). So, hydrogen can exist as both an element and a molecule.
Probably hydrogen. The most common element is hydrogen. No element is in everything.
The element 'H' is hydrogen, and is NO. 1 in the Periodic Table.
No. Hydrogen is an element.