Examlex
Which of the compounds,Ca H2,H2O ,C H4,XeF4 are ionic compounds?
PVC
Polyvinyl chloride, a synthetic plastic polymer used in a wide variety of applications, from piping and clothing to furniture and signage.
ECG
Electrocardiogram, a medical test that records the electrical activity of the heart over a period of time using electrodes placed on the skin.
Wave
A wave is a disturbance that transfers energy through space and matter, often described by its amplitude, wavelength, frequency, and speed.
Artifact
An object made by a human being, typically of cultural or historical interest.
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