Chemistry, asked by Pabbashashank, 7 months ago

An element X has the electroic configuration as 2, 8, 7 :– (a) What is the atomic number of the element? (b) What will be the formula of its compound formed with Na? (c) What is the name given to the family of this element?

Answers

Answered by Hayat04

4

Answer:

1-. 17

2 Nacl

3 halogen

Explanation:

Answered by rkanniga

1

Answer: The element is chlorine

Explanation:

a) Chlorine

b) NaCl (Sodium Chloride)

c)Halogen group

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