B. XY Represents name male. While. XX represents female. Hope that helps
<span>The number of moles in Al2O3 is .16575 moles</span>
It would mean that they have the same oxidation number.
Chloride Ion is a chlorine anion that forms the negatively charged part of certain salts
8 valence electrons means that the element is stable. When we hear stable, we know the group to look at! Noble gases all have 8 valence electrons making them stable and have a full octet.
Here are some:-
Krypton
Argon
Neon