It means that, except in the case of hydrogen, it has one electron in its valency shell. This makes it highly reactive.
it is an alkali metal
A metal is a base and is an alkali
I don't understand what you mean by "class" but its a alkali-metal.
alkali you idiots
Sodium is an alkali metal.
The alkali metal, sodium, is an element.
It is a alkali metal for sure.
Alkali Metal
Lithium is an alkali metal.
The metal itself, no. But after reacting with water or something containing water it produces a very strong base.
No, Fe is not an alkali metal. It is the chemical symbol for iron, which is a transition metal. Alkali metals are found in Group 1 of the periodic table, such as lithium, sodium, and potassium.
No, CS is not an alkali metal. It is a chemical element known as cesium, which belongs to the alkali metal group on the periodic table.