Question

each alkali metal has how many e electrons in its last shell​

Answer 1

each alkali metal has 1 electron in last shell

Answer 2

Explanation:

The most reactive kind of metallic element is an alkali metal of group 1 (e.g., sodium or potassium); this is because such an atom has only a single valence electron; during the formation of an ionic bond which provides the necessary ionization energy, this one valence electron is easily lost to form a positive ion ( ...