A. An element with the valence electron configuration 5s ¹   would form a monatomic ion with a charge of .  
In order to form this ion, the element will _____losegain ___12345678 electron(s) from/into the _______spdfs + ps + dp + dsubshell(s).



B. If an element with the valence configuration 4s ² 3d ⁷   loses 2  electron(s), these electron(s) would be removed from the _______spdfs + ps + dp + d subshell(s).