Question

Name
three elements that have a single electron in their
outermost shells
(b) to elements that have two electrons in their
outermost shells,
() three elements with filled outermost shells.
(Its not my question paper )​

Answer 1

Answer:

(a) lithium, sodium, potassium

(b) magnisium, calcium

(c) helium,Argon

Explanation:

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Answer 2

Answer : (a) Lithium (Li), sodium (Na), and potassium (K) have a single electron in their outermost shells.

(b) Magnesium (Mg) and calcium

(Ca) have two electrons in their outermost shells.

(c) Neon (Ne), argon (Ar) and xenon (Xe) have filled outermost shells.