Answer:
The diversity of physical properties among covalent compounds is mainly because of widely varying intermolecular attractions. ... All of the atoms are covalently bonded to each other.
What question? Lhh this is hilarious.
[Kr]4d3
The configuration of Nb2+ is [Kr]4d3. Nb2+ also has an odd number of valence electrons.
Hydrogen Ions exist in acid solutions.
You need to add an attachment or something this doesnt give the needed information
