A student investigated some properties of lead and recorded the findings in the table below.PropertyObservationcolordull graydensity11.3 g/cm3volume of sample3.00 cm3melting point327°Creaction with airlead oxide forms on the surfaceelectrical conductivityconducts some electricityWhich statement is true with respect to the investigation?
Which is an intensive property of a substance?
Which list includes only physical properties?
Which procedure could a student use to examine an intensive property of a rectangular block of wood?
Which is an example of a chemical change?
A geochemist examines a piece of metal that he found in the soil. He performs tests to identify the metal from its density, electrical conductivity, and melting point. Which statement best describes his investigation?
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