Hydrogen is the lightest of all elements. According to the Periodic Table, its atomic weight is 1.00794 u, even lighter than helium.
the lightest elements are gases and the lightest of these are hydrogen and helium.
Hydrogen is the lightest of all elements and is extremely flammable. It is also the most plentiful gas in the universe.
Lithium.
Hydrogen
Hydrogen.
Paleoclimatolinium;A form of hydrogen with no protons, neutrons....... only electron and cloud is present.hydrogenHydrogen is the lightest element in the Periodic Table.See the Related Questions link for more information about hydrogen.
Hydrogen is the lightest of all elements. According to the Periodic Table, its atomic weight is 1.00794 u, even lighter than helium.
Hydrogen
Hydrogen.
Hydrogen.
The lightest diatomic element is hydrogen (H2). It has a molecular weight of approximately 2 grams per mole, which is the lightest of all the elements.
Hydrogen is the lightest of all elements and is extremely flammable. It is also the most plentiful gas in the universe.