It needs to gain 3 electrons than to lose 5 electrons. So phosphorus has to gain 3 electrons.
Silicon (Si) can gain or lose 4 electrons. It can either gain 4 electrons to have a stable octet configuration or lose 4 electrons to achieve a stable configuration.
Selenium may lose 2, 4 or 6 electrons and may gain 2 electrons.
45
It will lose 2 electrons.
5s orbital
Se will gain electrons
Silicon (Si) can gain or lose 4 electrons. It can either gain 4 electrons to have a stable octet configuration or lose 4 electrons to achieve a stable configuration.
it will lose 3 electrons
Selenium may lose 2, 4 or 6 electrons and may gain 2 electrons.
45
It will lose 2 electrons.
Silicon gains 4 electrons.
Phosphorus wants to gain three electrons to have 8 valence electrons.
5s orbital
Aluminum will lose 3 electrons to form Al3+ ion.
18 electrons
4