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properties that can be observed or measeured with out changing the matter into a new substance
ability to tarnish
substance slowly reacting with the air to produce a green-greyish color on a metal, usually silver and cooper; statue of liberty
evidences of a physical change
change in state of matter, change in size, shape, color, texture, volume, mass
evidences of a chemical change
production of gas, color change, temperature change, odor production, precipitae formation
examples of a chemica change
burning wood, burning a candle, metal rusting, tea kettle turning green.
smallest particle of an element that still has the properties of that element; has mass amd takes up space
composed of two or more different substances that retain or keep their individual properties
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