Bigger Atomic Number = Bigger Mass So The Answer Is Francium.
Most of the Alkali metals are soft enough to be cut with a knife, certainly Sodium, Potassium and Rubidium are.
alkali metals
Lithium is NOT the most active alkali metal. Francium is the most active but is available in such trace quantities and radioactive that for practical purposes it is Cesium that is considered most active.
Hydrogen.
Most alkali metals are found in solid state at room temperature, except for the lightest alkali metal, lithium, which is a soft metal. Alkali metals are highly reactive and easily lose their outermost electron to form positive ions.
because it has the most number of electrons in the alkali metal group
Most of the Alkali metals are soft enough to be cut with a knife, certainly Sodium, Potassium and Rubidium are.
No...
Francium.
alkali metals
Lithium is NOT the most active alkali metal. Francium is the most active but is available in such trace quantities and radioactive that for practical purposes it is Cesium that is considered most active.
Hydrogen.
It is located, in the periodic table, with the metalloids. However, it is a transition metal.
Most alkali metals are found in solid state at room temperature, except for the lightest alkali metal, lithium, which is a soft metal. Alkali metals are highly reactive and easily lose their outermost electron to form positive ions.
Most alkali metals.
Yes, francium is an alkali metal; the group contain lithium, sodium, potassium, caesium, rubidium and francium.
Francium is considered the hardest metal in Group 1 (alkali metals). It is the most reactive alkali metal and is very rare in nature. Due to its high reactivity and radioactive nature, it is challenging to study and handle francium.