Why are the atoms of elements in Group 1A likely to form ions with a 1+ charge?
Elements like to have their highest energy level filled with electrons (rather than have some electrons hanging out on a semi-filled higher level) and the elements in Group 1A just have one extra electron hanging out, so they tend to lose it (because that’s easier than gaining a bunch more to fill it),
elements in group 1A have only one electron in the outermost shell. All atoms try to achieve the stable electronic configuration of the nearest inert gas.stable electronic configuration means a shell with 8 electrons in the last shell in an atom the number of electrons=no. of protons as the atom is neutral when an electron loses an electron to achieve stable electronic configuration the no. pf proton is greater than the no. of electrons.protons are positive in charge and when the atom loses an electron it has one extra positive charge therefore it becomes an atom with one positive charge also called as a cation.
