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.
Hydrogen
Hydrogen.
All metals except alloys of metals are elements, but not all elements are metals.
All pure metals are chemical elements; alloys are not 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.
All metals are elements.
Hydrogen is the lightest of all elements. According to the Periodic Table, its atomic weight is 1.00794 u, even lighter than helium.
Yes all group one elements (alkali metals) are explosive when they come into contact with water.