Question

4:3. 5:4. ᴀɢᴇ

ᴘʟᴇᴀsᴇ ʜᴇʟᴘ ᴍᴇ​

Answer 1

In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.