Examlex
Sketch the graph of the equation. If the graph is a parabola, find its vertex. If the graph is a circle, find its center and
radius.
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Atoms
The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, and surrounded by electrons.
Ion
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
Electricity
A form of energy resulting from the existence of charged particles, either statically as an accumulation of charge or dynamically as a current.
Intermolecular Forces
The forces of attraction or repulsion which act between neighboring particles (atoms, molecules, or ions).
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