A. An element with the valence electron configuration 5s2 would form a monatomic ion with a charge of _.
In order to form this ion, the element will_(lose, gain) _(1-8) electron(s) from/into the ___(s, p,d, f,s+p, s+d, p+d) subshell(s).

B. If an element with the valence configuration 4s2 3d7 loses 2 electron(s), these electron(s)
would be removed from the ___(s, p,d, f,s+p, s+d, p+d)
subshell(s).