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A device used for accelerating charged particles along a straight line path.

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Endothermic

Describes processes that absorb heat energy.

Isomorphous

Refers to crystals having the same atomic arrangement.

Ideal Gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.

 

Lone Pair

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

Atom

The smallest particle of an element.

Chemistry of the sky

Chemistry can teach us about the composition of celestial bodies and determine their age.

Heteronuclear

Consisting of different elements.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

Atomic Weight

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