Question

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Answer 1

Explanation:

a. all have one electron in outer most cell .

b. because the outer electron structure in all of these elements in similar ,they all have some what similar chemical and physical properties

Answer 2

Explanation:

ANS1Lithium, Sodium, and Potassium have a similarity in them that is they all have one electron in their outermost orbit.

ANS2 Because the outer electron structure in all of these elements is similar, they all have somewhat similar chemical and physical properties

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