pure element
Hydrogen was the chemical compound found on the moon in 1998. It has a chemical symbol of H and atomic number of 1. It is the lightest element on the periodic table.
Sulfur is not a highly reactive element under ordinary condition.
gas
Usually it is found in compound form but can easily as a pure element, just depends on the conditions
aluminum
it's an element!
Sodium
Oxygen, hydrogen, halogens
Oxygen, hydrogen, halogens
Hydrogen, carbon and oxygen are the elements found in H2CO3
hydrogen is most commonly found as a part of water with oxygen.
Hydrogen has the lowest atomic number, and is not found in nature as individual atoms, but is found in nature as the diatomic molecule, H2.
It is found in nature in its pure form (not as a compound).
mineral
Hydrogen and Oxygen H20 is the element compound of water.
Hydrogen and Oxygen H20 is the element compound of water.
Hydrogen is an extremely abundant element and can be found just about everywhere. In its diatomic elemental form, hydrogen can be found in the atmosphere as well as in stars. However, it is a moderately reactive element and can be found in molecules ranging from water (hydrogen dioxide) to nucleic acids.