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physical object > natural object > particle > element > planetary element > oceanic element > unclassified oceanic element

unclassified oceanic element
subject			fact

unclassified oceanic element	has ocean residence time unknown
	has ocean concentration unknown
	is a kind of oceanic element
oceanic element	has ocean oxidation state
	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

Kinds of unclassified oceanic element :

• argon (8 kinds, 143 facts) (Ar, ¹S₀ in ground state) - colourless, odourless gas comprising 1% of the atmosphere
• gallium (6 facts)
• gold (6 facts)
• hafnium (4 facts)
• helium (4 kinds, 116 facts) (He, ¹S₀ in ground state) - Colourless, odorless gas obtained mainly from gas wells. Element which, after hydrogen, is the second lightest and second most abundant in the Universe. Its atom comprises two protons and two electrons. The nucleus of helium 4 is sometimes called an alpha particle. Helium is the product of the nuclear fusion of hydrogen in most stars, but this does not explain the overall helium abundance. Most of it was produced by the big bang, with main-sequence stars making an additional contribution.,
• hydrogen (3 kinds, 153 facts) (H, ²S_1/2 in ground state) - Colourless, odourless gas, insuluable in water. Lightest, most abundant element in the Universe. Its atom comprises one proton and one electron. The element occurs both in stars and as interstellar clouds, in regions where it may be neutral (H I regions) or ionized (H II regions). It was produced by the big bang. Hydrogen 1 is the most common isotope; deuterium, is rarer; and tritium, is radioactive.,
• indium (5 facts)
• krypton (4 facts)
• neon (5 kinds, 117 facts) (Ne, ¹S₀ in ground state) - colourless, odourless gas
• niobium (4 facts)
• oxygen (5 kinds, 125 facts) (O, ³P₂ in ground state) - colourless, odourless gas (O₂) which is very reactive
• platinum (6 facts)
• praseodymium (4 facts)
• protactinium (4 facts)
• radium (4 facts)
• radon (4 facts)
• rhenium (4 facts)
• tantalum (4 facts)
• titanium (7 kinds, 153 facts) (Ti, ³F₂ in ground state) - hard, lustrous, silvery metal which resists corrosion due to an oxide layer on its surface
• tungsten (4 facts)
• xenon (4 facts)
• yttrium (4 facts)
• zirconium (4 facts)

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