Question

for an element with atomic number 29 write the electronic configuration write the value of n and/ for its electron in its valence shell​

Answer 1

Answer:

Element:-

• Copper

Symbol:-

• Cu

Atomic number:-

• 29

Electronic configuration:-

• 1s²2s²2p6 3s²3p6 4s²3d9

Valence shell electronic configuration :-

• [Ar] 3d¹⁰ 4s¹