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Diatomic molecules consist of a bond between only two atoms. They can be broken into two categories: homonuclear and heteronuclear. A homonuclear diatomic molecule is one composed of two atoms of the same element. Examples are H 2, O 2, and N 2. A heteronuclear diatomic molecule is composed of two atoms of two different elements.
A space-filling model of the diatomic molecule dinitrogen, N 2. Diatomic molecules (from Greek di- 'two') are molecules composed of only two atoms, of the same or different chemical elements. If a diatomic molecule consists of two atoms of the same element, such as hydrogen (H 2) or oxygen (O 2), then it is said to be homonuclear.
Heteronuclear molecules. A heteronuclear molecule is a molecule composed of atoms of more than one chemical element. [1] [2] For example, a molecule of water (H 2 O) is heteronuclear because it has atoms of two different elements, hydrogen (H) and oxygen (O). Similarly, a heteronuclear ion is an ion that contains atoms of more than one chemical ...
For molecules that possess a center of inversion (centrosymmetric molecules) there are additional labels of symmetry that can be applied to molecular orbitals. Centrosymmetric molecules include: Homonuclear diatomics, X 2; Octahedral, EX 6; Square planar, EX 4. Non-centrosymmetric molecules include: Heteronuclear diatomics, XY; Tetrahedral, EX 4.
This W3C-unspecified vector image was created with Inkscape. Description Diatomic molecules periodic table.svg English: A periodic table showing the elements that exist as homonuclear diatomic molecules
Based on atomicity, molecules can be classified as: Monoatomic (composed of one atom). Examples include He , Ne , Ar , and Kr . All noble gases are monoatomic. Diatomic (composed of two atoms). Examples include H 2 , N 2 , O 2 , F 2 , and Cl 2
Homonuclear diatomic molecules include hydrogen (H 2), oxygen (O 2), nitrogen (N 2) and all of the halogens. Ozone (O 3) is a common triatomic homonuclear molecule. Homonuclear tetratomic molecules include arsenic (As 4) and phosphorus (P 4). Allotropes are different chemical forms of the same element (not containing any other element). In that ...
For heteronuclear diatomic molecules, the u/g symbol does not correspond to any exact symmetry of the electronic molecular Hamiltonian. In the case of less symmetric molecules the molecular term symbol contains the symbol of the group representation to which the molecular electronic state belongs. It has the general form: