Find the atomic number of element present in 3rd period and seventeenth group
Answers
Answered by
0
Answer:
The atomic no. of that element is 17 and it is chlorine
Answered by
2
Explanation:
General configuration for seventeenth group elements is ns^2np^5. In the third period, the principal quantum number for valance shell for the given elements is 3s^2,3p^5. Third period starts from atomic number, Z = 11 and end at Z = 18. Hence, the atomic number of the given element is 10+7=17.
thank u ♥️
Similar questions