Question

An element is having atomic number 18; then
i) State the name of that element
ii) Write electron configuration
111) State the number of valence electrons ​

Answer 1

Answer:

1. The element is argon

2. The electronic configuration is 2,8,8

3. No of valence electrons are 8.

Answer 2

Answer:

i) argon ii)[Ne]3s^23p^6 iii) eight valence electrons