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| physical object > natural object > collection of particles > phase of matter > solid > metal |
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| metal | ||||
| subject | fact | |||
| metal | has definition To an astronomer, a metal is any element heavier than hydrogen and helium; thus, not only are iron and copper metals, but so are elements like oxygen and neon. |  |
| has definition As used in stellar spectroscopy, any element heavier than helium. | | |
| is a kind of metallic element | | |
| is a kind of solid | | |
| 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 metal :
Next metallic element: thallium Up: metallic element, solid Previous metallic element: lead