COLEGIO SAN PATRICIOName: _________________________________________________________ Group _______Date ____________________...
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Wks properties of matter

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Wks properties of matter

  1. 1. COLEGIO SAN PATRICIOName: _________________________________________________________ Group _______Date ___________________________________________________________ List #_________ Properties of matter1.- Identify each of the following as physical(P) or chemical (C)property:_____a) gold is shiny_____b) gold melts at 1064 C_____c) when gold reacts with sulphur, a black compound forms_____d) a candle burns_____e) the candle is blue_____f) the wax of a candle softens on a hot day_____g) sugar ferments to form alcohol_____h) the boiling of a certain alcohol is 78 C2.- Identify each of the following as a physical (P)or chemical(C) change_____a) malt undergoes fermentation to make beer_____b) a copper wire reacts with air and turns green_____c) chocolate is melted for a dessert_____d) wood is chopped for the fireplace_____e) rubbing alcohol evaporates from your skin_____f) a match is struck and burns_____g) salt is dissolved in water_____h) gold metal is hammered into a thin sheet3.- A certain element is described in the following way: “ The substance is a white-silverylustrous metal. It melts at 649 C and has a density of 1.74 g/ml. The substance burns inair, producing an intensive white light. It reacts with chlorine to give a brittle white solid.It is a good conductor of electricity.” Identify the properties and classify as physical orchemical.PHYSICALCHEMICAL4.- Physical changes are (always, sometimes, or never) accompanied with a changein physical properties.5.-Physical changes are (always, sometimes, or never) accompanied with a change inchemical properties.6.- Chemical changes are (always, sometimes, or never) accompanied with a changein physical properties.7.- Chemical changes are (always, sometimes, or never) accompanied with a changein chemical properties.

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