1.

General electronic configuration of alkali metals

Answer»

The elements in Group 1 (lithium, sodium, potassium, rubidium, caesium, and francium) are called thealkali metals. All of thealkalies metals have a singleselectronin their outermost principal energy. For example, theelectron configurationof lithium (Li), thealkali metalof Period 2, is 1s2 2s1.



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