Question

The melting points and boiling points of four elements are shown.

element
melting
point/°C
boiling
point/°C
3
-7
60
х
-101
-34
Y
114
184
z
39
688
slid
In which elements do the particles vibrate about fixed positions at 0°C?
А
Wand X
B
W and Z
с
X and Y
D
Y and Z

Answer 1

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