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Chemistry, 19.02.2021 14:00 mandy9386

Robert is testing two objects. Each object is composed of a single element unknown to Robert. Which of the following procedures could Robert SAFELY use to identify these elements. -He could measure the objects mass and volume in order to calculate each objects' density. Then, compare his densities to a elemental density chart.

-He could light each element on fire to see if they have flammability properties.

-He could drop each object off a building and see if they break, and or how they break.

-He could guess what element each object is made of.

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