BaBr2 has two ionic bonds, but no covalent bonds.
2 covalent bonds
There are four bonds.All are covalent bonds.
Three covalent bonds.
A single covalent bond
BaBr2 has two ionic bonds, but no covalent bonds.
2 covalent bonds
It has four covalent bonds.They are polar bonds
maximum of five single covalent bonds as in PCl5
There are four bonds.All are covalent bonds.
Three covalent bonds.
A single covalent bond
Three covalent bonds. One sigma bond and two pi bonds.
None. An alkane contains only single covalent bonds.
A haloalkane has the same number of covalent bonds as the corrresponding unhalogenated alkane.
Nitrogen tetroxide has four double covalent bonds.
The nitrogen atom forms 3 covalent bonds.