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physical object > natural object > particle > element > metallic element > alkali earth metal > radium

radium
subject			fact

radium	has ocean oxidation state II
	has image
	is a kind of alkali earth metal
	is a kind of unclassified oceanic element
alkali earth metal	has hardness malleable, extrudable and machinable
unclassified oceanic element	has ocean residence time unknown
	has ocean concentration unknown
oceanic element	has occurrence ocean
element	is a part of Universe
	has synonym atom
particle	obeys uncertainty principle
	has frequency inversely proportional to the wavelength
	has wavelength inversely proportional to its momentum
	has charge
	has mass
physical object	has location or center of gravity
	has angular momentum
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

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