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Any species that can accept a share in an electron pair.

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Gem-dimethyl group

Two methyl groups of the same carbon atom.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Catenation

Bonding of atoms of the same element into chains or rings.
The bonding together of atoms of the same element to form chains.
The ability of an element to bond to itself.

Octet Rule

Many representative elements attain at least a share of eight electrons in their valence shells when they form molecular or ionic compounds, there are some limitations.

Molecular Orbital

An orbit resulting from overlap and mixing of atomic orbitals on different atoms. An MO belongs to the molecule as a whole.

Hess' Law of Heat Summation

The enthalpy change for a reaction is the same whether it occurs in one step or a series of steps.

Nuclear Reactor

A system in which controlled nuclear fisson reactions generate heat energy on a large scale, which is subsequently converted into electrical energy.

Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

Domain

A cluster of atoms in a ferromagnetic substance, all of which align in the same direction in the presence of an external magnetic field.

Formula Unit

The smallest repeating unit of a substance. The molecule for nonionic substances