Question

the atomic number of an element is 17. its period ,group and block are ____and_____ respective​

Answer 1

Hey Mate Here is ur Answer :

17- Chlorine

3rd period

17th Group ,,,,Halogen

Hope it helps u dear ☺❤❤

Answer 2

Here Goes Ur Answer :-

Chlorine Belongs To 3rd Period And 17th Group

It helps u for sure ☺✌