Diatomic hydrogen is two hydrogen atoms bonded with a covalent bond. Each atom will have an identical claim on the shared pair of electrons, so the bond is perfectly covalent without any trace of ionic character and no polarity at all.
Yes, hydrogen bromide is considered covalent, not ionic. It is a diatomic molecule composed of a hydrogen atom covalently bonded to a bromine atom.
Sodium iodide has ionic bonds, which are always polar. Carbon dioxide and hydrogen gas both have molecular (covalent) bonds; the ones in carbon dioxide are polar and those in elemental hydrogen molecules (H2) are nonpolar.
Hydrogen oxide (a.k.a. water) is a polar covalent compound.
Diatomic hydrogen is held together by a single non-polar covalent bond.
No. The bond is polar covalent not ionic.
Hydrogen gas consists of diatomic molecules, where two hydrogen atoms are bonded together by a covalent bond. It is not an ionic bond because there are no transfer of electrons between the hydrogen atoms.
polar covalent
The hydrogen iodide is an acid with polar covalent bond.
pure covalent/ polar covalent
H2O is polar because of the two hydrogen molecules being attracted to the hydrogen molecule and water is a universal solvent which means it can dissolve solutions and has polarity.
Hydrogen bonds, Ionic bonds, and Polar bonds!
Hydrogen bonds are the weakest of the listed chemical bonds. They result from the attraction between a hydrogen atom covalently bonded to an electronegative atom (e.g., oxygen, nitrogen, or fluorine) and another electronegative atom. Ionic bonds, polar covalent bonds, and non-polar covalent bonds are stronger than hydrogen bonds.