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Question 5An atom has electronic configuration 2, 8, 7.(a) What is the atomic number of this element ?(b) To which of the following elements would it be chemically similar ? (Atomic numbers are given in parentheses.)N (7), F (9), P (15), Ar (18)

Harshit Singh , 3 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 3 Years ago

(a) The atomic number of the given element is 2 + 8 + 7(= 17). (b) It would be chemically similar to fluorine [F(9)] because its electronic configuration is 2, 7.

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