Question

An element 'Z' has the electronic configuration 2, 8. Name the element 'Z' and determine its atomic number.

• A. Argon, 10
• B. Helium,10
• C. Neon, 10
• D. Neon, 8

Answer 1

The correct option is C

Neon, 10

The atomic number as per the electronic configuration is 10. This is the atomic number of Neon. Thus, 'Z' is Ne.