Sagot :
Answer:
Alkali metals are more reactive than alkaline earth metal because alkaline earth metals have ah fully filled out almost s orbital.
Explanation:
Sana makatulong
Answer:
alkali metals have one electron in the outermost s orbital, whereas alkaline ultimate ALS have two electrons in the outermost orbit. Alkali metals are more reactive than alkaline earth metal because alkaline earth metals have ah fully filled out almost s orbital.