Question

Three elements X,Y&Z have atomic number 12,10 & 18 respectively Show their (2)

distribution in K,L,M & N shells. Which of these are noble gases justify your answer​

Answer 1

Answer:

Part 1

• 1s²,2s²,2p⁶,3s²
• 1s²,2s²,2p⁶
• 1s²,2s²,2p⁶,3s²,3p⁶

Part 2

• Y and Z are the noble gases
• there names are Neon and Argon