Multiple Choice
Which of the following is a compound?
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1. Intro to General Chemistry
Classification of Matter
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Which statement correctly describes all solids?
A
They have an indefinite shape and indefinite volume.
B
They have a definite shape but an indefinite volume.
C
They have a definite shape and definite volume.
D
They have an indefinite shape and definite volume.
Verified step by step guidance1
Recall the basic properties of solids in terms of shape and volume. Solids are one of the three main states of matter, along with liquids and gases.
Understand that solids have particles that are closely packed in a fixed arrangement, which restricts their movement and keeps the shape constant.
Recognize that because the particles in a solid are fixed in place, solids maintain a definite shape, unlike liquids and gases which take the shape of their container.
Note that solids also have a definite volume because the particles are not free to move apart significantly, so the amount of space they occupy remains constant.
Conclude that the correct description of solids is that they have a definite shape and definite volume, distinguishing them from liquids and gases.
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