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A chemical bond is the association of atoms or ions to form molecules, crystals, and other structures. The bond may result from the electrostatic force between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds, or some combination of these effects.
A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs. The stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding. [1] For many molecules, the sharing of ...
Sigma bond. σ bond between two atoms: localization of electron density. In chemistry, sigma bonds ( σ bonds) or sigma overlap are the strongest type of covalent chemical bond. [ 1] They are formed by head-on overlapping between atomic orbitals along the internuclear axis. Sigma bonding is most simply defined for diatomic molecules using the ...
Bond order. In chemistry, bond order is a formal measure of the multiplicity of a covalent bond between two atoms. As introduced by Linus Pauling, bond order is defined as the difference between the numbers of electron pairs in bonding and antibonding molecular orbitals . Bond order gives a rough indication of the stability of a bond.
The simplest of molecules is the hydrogen molecule-ion, H 2 +, and the simplest of all the chemical bonds is the one-electron bond. H 2 + is composed of two positively charged protons and one negatively charged electron , which means that the Schrödinger equation for the system can be solved more easily due to the lack of electron–electron ...
The teacher explains metallic bonding in the traditional way, weaving in the following. allegories: A metal nucleus is like a mother. The electrons are like the children. The inner shell electrons which always stay with the nucleus are like the young children and babies who cannot leave their mother.
A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound. A compound can be transformed into a different substance by a chemical ...
Molecular structures are identified by the effects of many factors such as bonds formed between atoms, the three dimensional layout of adjacent atoms around a center atom, and angles between bonds. These structures are the determinants of both the physical and chemical characteristics of the molecule. There