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The energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity. In these processes a small amount of mass is converted to energy according to the relationship E = mc2, where E is energy, m is mass, and c is the speed of light.

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Lone Pair

Pair of electrons residing on one atom and not shared by other atoms, unshared pair.

Single Bond

Covalent bond resulting from the sharing of two electrons (one pair) between two atoms.

Canal Ray

Stream of positively charged particles (cations) that moves toward the negative electrode in cathode ray tubes, observed to pass through canals in the negative electrode.

Acidic Salt

A salt containing an ionizable hydrogen atom. Acidic salt does not necessarily produce acidic solutions.

Ester

A Compound of the general formula R-C-O-R1 where R and R1 may be the same or different, and may be either aliphatic or aromatic.

Solute

The dispersed (dissolved) phase of a solution.

Atomic Weight

Weighted average of the masses of the constituent isotopes of an element, The relative masses of atoms of different elements.

Group

A vertical column in the periodic table, also called a family.

Nodal Plane

A region in which the probability of finding an electron is zero.

 

Phenol

Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.