Cr2O72− ion has 9 atoms.
There are 5 atoms present in NH4+ ion: one nitrogen (N) and four hydrogens (H)
the ion NH4+ has five atoms (one nitrogen and four hydrogen)
the atoms make up carbonate ion and its charge its 4+.
4
This formula is itself an ion with -2 charge. It has 2 carbon atoms and 4 oxygen atoms per ion. An oxalate ion has six atoms.
Cr2O72− ion has 9 atoms.
It has 4 oxygen atoms.
None the formation of an ion has nothing to do with losing or winning atoms.
Only 1.
There are 5 atoms present in NH4+ ion: one nitrogen (N) and four hydrogens (H)
7
the ion NH4+ has five atoms (one nitrogen and four hydrogen)
the atoms make up carbonate ion and its charge its 4+.
It is a polyatomic, literally meaning many like atoms.
4
A polyatomic ion.