Question

Dapat nating alagaan ang mga antigong gusali o lumang simbahan dahil-​

Answer 1

Answer:

They all have 7 valence electrons (hence group 7!) in their outer shell (insert diagram or prop to show what the outer shell signifies). ... Fluorine has a higher electronegativity than Chlorine because it has one shell less than Chlorine.

Answer 2

Answer:

Dahil ipirinepresenta nito ang mga mahahalagang alala na nangyari dito