Organic compounds have frequently a bond C=C.
CH4 is one
Diatomic oxygen is a diatomic molecule joined by a double covalent bond.
A double covalent bond, one is a socalled sigma-bond, the other is a pi-bond.
There is one double covalent bond in a molecule of ozone, which consists of three oxygen atoms bonded together.
A covalent bond
Carbon dioxide (CO2) is a covalent bond, specifically a double covalent bond between the carbon atom and the two oxygen atoms. This means that the atoms share electrons to form a stable molecule.
An oxygen gas molecule contains a double covalent bond, i.e. O=O
The bond in the molecule is covalent.
The bond is polar covalent.
In a double covalent bond, two atoms share two pairs of electrons. For example, in a carbon dioxide molecule (CO2), the carbon atom forms a double covalent bond with each oxygen atom.
Oxygen (O2) will have a double covalent bond. Each oxygen atom shares two pairs of electrons with the other oxygen atom to form a stable O2 molecule.
1, 2 or 3 depending if the bond is a single, double, or triple bond