Name some alkali metals. How many electron do they have in their outermost orbit?
Lithium, sodium, potassium, rubidium, cesium and francium are alkali metals. They have 1 electron in their outermost orbit.
(a) Name the alkali metals.How many electrons(s) do they have in their outermost orbit.
(b) Take any one alkali metal and write its reaction with (i) oxygen (ii) water (iii) acid.
How many electrons do the following elements have in their outermost shells?
Write down the outermost electronic configurations of alkali metals. How will you justify their placement in group 1 of the periodic table?