contestada

A. An element with the valence electron configuration 4s2 would form a monatomic ion with a charge of ____. In order to form this ion, the element will (lose/gain) (#) electron(s) from/into the ____ subshell(s).

B. An element with the valence electron configuration 2s^2 2p^4 would form a monatomic ion with a charge of ____. In order to form this ion, the element will (lose/gain) # electron(s) from/into the ____ subshell(s).

Respuesta :

caridadrobles0808

Answer:

A. 4s subshell.

B. An element with the valence electron configuration 2s² 2p⁵ would form a monatomic ion with a charge of -1.

In order to form this ion, the element will gain 1 electron into the 2p subshell