Question

❝ ɴᴀᴍᴇ :

➠ three elements that have a single electron in their outermost shells.

➠ two elements that have two electrons in their outermost shells.

➠ three elements with filled outermost shells.


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Answer 1

Explanation:

NAME::-ROSONI

1.So, Lithium, Sodium, and Potassium are the 3 elements that have a single electron in their outermost orbit.

2.Elements of group II have two electrons in their outermost shells. So, Magnesium, Calcium, and Strontium are the 3 elements that have two electrons in their outermost orbit.

3.Helium (He), neon (Ne) and argon (Ar) are three elements (inert gases of group 18) that have a completely filled outermost shell.

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Answer 2

Answer:

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Explanation:

here is the ans:-

So, Lithium, Sodium, and Potassium are the 3 elements that have a single electron in their outermost orbit.

Elements of group II have two electrons in their outermost shells. So, Magnesium, Calcium, and Strontium are the 3 elements that have two electrons in their outermost orbit.