Answer:
4, 16,
Explanation:
SI2 is sulphur diiodide. Sulphur is in group sixteen (six valence electrons) while iodine is in group 17(seven valence electrons).
Since there are two iodine atoms and one sulphur atom, the molecule has twenty valence electrons. Out of these twenty valence electrons, only four are bonding electrons. The other sixteen electrons include the four nonbonding electrons found on sulphur and the twelve non bonding electrons found on the two iodine atoms having six nonbonding electrons each.
GaBr3
Gallium=Ga
Bromine= Br
Bromide=Br3
i think its theory but im not to sure
Answer:
i dont think its walking to school because that doesn't use any resources.
Explanation:
i think its driving a car because we use gasoline for that and for sailing we use the wind. hopefully that helps.