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physical object > natural object > collection of particles > phase of matter > liquid

liquid
subject			fact

liquid	has definition a high density cohesive collection of particle which move relative to one another and which has short range order
	is a kind of phase of matter
physical object	has location or center of gravity
	has angular momentum
	has mass
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Kinds of liquid :

• LHe (2 facts) - The symbol for liquid helium. The temperature of liquid helium is normally 4 K, that is, four degrees above absolute zero.
• LN2 (2 facts) - The symbol for liquid nitrogen. The temperature of liquid nitrogen is normally 77 K, that is, 77 degrees above absolute zero.