Properties of Matter. Physical Properties, Phases of Matter, Chemical Properties. General (Physical) Properties. Physical properties may be observed without changing the nature of the matter. Boiling point is a physical property
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Physical Properties, Phases of Matter, Chemical Properties
90g ÷ 30cm3 = 3g/cm3
1) If the mass of a rock is 500g and its volume is 25cm3, what is its density?
the sun hitting our atmosphere. This causes electrons in
atmospheric gases to be excited to a higher energy level,
And when they drop back down, a photon of light is emitted.