They form both. For example, the standard alkyls, alcohols, acids, amines, aminos, etc. form covalent bonds, but organometallic compounds, salts of acids and amines, and similar compounds form ionic (although still using covalent bonding for part of thir structure).
A covalent bond.
Covalent bond
covalently
Organic molecules all contain covalent bonds. It is possible, though not common, to have an ionic bond as well as covalent bonds in a molecule.
Covalent- but sometimes some bonds are very borderline
Compounds with covalent bonds form molecules. Compounds with ionic bonds form ionic lattices.
Petrol is a mixture of organic compounds. These organic compounds have covalent bonds.
No, all molecules are held together by covalent bonds.
Organic molecules all contain covalent bonds. It is possible, though not common, to have an ionic bond as well as covalent bonds in a molecule.
Most are Covalent
Covalent- but sometimes some bonds are very borderline
Molecules are made up of covalent bonds; however, search "ionic molecules" for more info.
Compounds with covalent bonds form molecules. Compounds with ionic bonds form ionic lattices.
No, molecules are formed by covalent bonds.
Petrol is a mixture of organic compounds. These organic compounds have covalent bonds.
Most of them are, though there are a few that are ionic such as sodium acetate and other organic acid salts. These include ionic bonds, but also contain covalent bonds within a polyatomic ion.
No, all molecules are held together by covalent bonds.
Molecules of NO2 contain covalent bonds
Ionic bonds do not hold molecules together all the time. Covalent bonds can also hold molecules together, so it isn't just ionic bonds that do that.
From what I have learned in school, all organic compounds contain the element carbon. Most organic compounds also contain hydrogen. Organic compounds may also contain other elements such as oxygen and nitrogen. Since it's made up of non-metal and non-metal elements, it is bonded by covalent bond.