These are termed to be 'covalent bonds'.
Hydrogen atom doesnt have a chemical bond but dihydrogen molecule has a sigma bond between the two hydrogen atoms
A hydrogen atom is made from 1 hydrogen atom while a hydrogen molecule is made by 2 hydrogen atoms in a chemical compound thus making it twice as big too.
During a physical the molecules act or behave differently by speeding up and sowing down. A chemical change makes the molecule into a different molecule.
A hydrogen bond forms between the hydrogen(s) of one water molecule, and the oxygen molecule of another water molecule.
There are covalent bonds found in TTX and a covalent bond is a sharing of two electrons between two atoms in a molecule.
A hydrogen bond is the electromagnetic attractive interaction of a hydrogen atom and an electronegative atom, such as nitrogen, oxygen or fluorine, that comes from another molecule or chemical group. It is not a true chemical bond. The hydrogen atom has an attraction to another electronegative atom. These attractions can occur between molecules (intermolecularly), or within different parts of a single molecule (intramolecularly)
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inter molecular hydrogen bonding is between one molecule and the neighbouring molecule whereas the intra molecular bonding between the same molecule
The two strands of DNA are connected to one another through hydrogen bonds
well it is because the hydrogen molecule = the velocity of molecules in hydrogen which gives you the answer to your question.
The chemical bond between chlorine and hydrogen is polar covalent.
The most important intermolecular bond between water molecules is the hydrogen bond. Hydrogen bonds are formed between the partially positive hydrogen atoms of one molecule, and the partially negative oxygen atoms other molecules.