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K therefore at 298 K. (room temperature) it is a liquid. Oxygen has a MP of 54 K and a. BP of 90. K therefore at 298 K. (room temperature) ...
Typology: Lecture notes
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Phases of Matter- Water changes Microscopic Phase Views Play to 3:
Solids: particles vibrating in a fixed regular geometric pattern. (Crystal lattice structure) Most elements exist as solids at STP. Most metals are solids at STP except for Mercury. Nonmetal solids- C,P, S, I 2 Metalloid solids- B, Si, Ge, As, Sb and Te.
Gases: particles that move in constant, random, straight-line motion. LARGE amount of space between particles. 11 gaseous elements: H 2
2
2 , Cl 2
2 and the noble gases (Group 18: He, Ne, Ar, Kr, Xe, Rn).