Question

23.An element has its electron configuration as 2,8,2. Now answer the following questions. a.What is the group of this element? b.To which period does this element belong?Required to answer. Single choice.

(2 Points)

Group 2, Period 2

Group 2, Period 3

Group 16, Period 2

Group 16, Period 3

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Answer 1

Answer:

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Step-by-step explanation:

Period number of an element is equal to the number of total shells that contain electrons in the atom.

2,8,2

K,L,M

∴ Three shells contains electrons.

∴ This element belongs to 3rd period.