'New chemical substance' diaporamas de présentation

Physical and Chemical Properties

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Chemical vs physical changes

Chemical vs physical changes. Physical Changes. Rearrangement of molecules without affecting their internal structure. For example, When you crumble a piece of paper or boil water you are not changing its molecules, only making them look different. EXAMPLES. Cut Tear Folded

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PRONUMCIATION Contract ( noun and adjective ) CON -tract Contract (verb)con- TRACT

PRONUMCIATION Contract ( noun and adjective ) CON -tract Contract (verb)con- TRACT DEFINITION : An agreement between two or more parties for the doing or not doing of something specified An agreement enforceable by law The written form of such an agreement SENETNCES

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