1.

Three elements which has one electron in their outermost shell

Answer»

MATE ❤️❤️❤️ HERE IS UR ANSWER..ALL ALKELI METALS HAVE ONE E- IN THEIR OUTERMOST SHELL..E.G SODIUM, POTASSIUM , LITHIUMHOPE THIS WILL HELP YOU ❤️ ❤️❤️STAY BLESSED ❤️ ❤️



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