Lithium.
Lithium.
Hydrogen is the lightest of all elements and is extremely flammable. It is also the most plentiful gas in the universe.
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 of all structural metals is magnesium. It is commonly used in aerospace and automotive industries due to its high strength-to-weight ratio.
All metals except alloys of metals are elements, but not all elements are metals.
Hydrogen
Hydrogen.
All pure metals are chemical elements; alloys are not elements.
All metals are elements.
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.
All metals are chemical elements.