A student has two solid blocks that have different masses. The student knows that each block is composed of a pure substance, but she wants to know if the blocks are composed of the same pure substance. Which of these would best show that the blocks are composed of different substances? A. Both blocks can be scratched by a piece of glass. B. Both blocks sink when placed in water. C. One block conducts electricity and the other does not. D. One block has a greater volume than the other block.
Answers: 3
Chemistry, 22.06.2019 10:00, 2019reynolds
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
A student has two solid blocks that have different masses. The student knows that each block is comp...
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