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The smallest particle of any chemical element that can exist by itself and yet retain the qualities that distinguish it as that element is:
Substage Light
A light source located below the stage of a microscope, providing illumination for the specimen being examined.
Micrometers
Units of length equal to one millionth of a meter, commonly used in science and engineering for precise measurements.
Millimeters
A metric unit of length equal to one thousandth of a meter, often used to measure small distances or dimensions.
Micrometers
Precision measuring devices capable of measuring extremely small distances, such as the thickness or diameter of an object.
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