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.
It is a alkali metal for sure.
alkali you idiots
Sodium is an alkali metal.
The alkali metal, sodium, is an element.
Alkali Metal
The metal itself, no. But after reacting with water or something containing water it produces a very strong base.
Lithium is an alkali metal.
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.