Descriptions of two different states of matter are shown below.
To which state of matter do each of the descriptions fit?
X: the molecules are very close together, in fixed positions. They vibrate around these fixed positions. Y: the molecules move rapidly and randomly in straight lines until they collide with something. The molecules are spaced apart very far. |
State X |
State Y |
|
A |
solid |
liquid |
B |
solid |
gas |
C |
liquid |
gas |
D |
gas |
liquid |
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