| atomic number |
The number of protons in the nucleus of an atom.
출처: www.oehs.wayne.edu/health%20phsics/glossaryA.html
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|---|---|
| atom |
The smallest particle of an element that can combine with other atoms in a chemical reaction
출처: www.curtin.edu.au/curtin/centre/waisrc/OKLO/Access...
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| atomic mass unit |
(abbrev amu symbol u) A mass equivalent to one twelfth of the mass of on atom of carbon-12 or approximately 1.66 x 10 27 kg
출처: www.curtin.edu.au/curtin/centre/waisrc/OKLO/Access...
|
| atomic weight |
Also atomic mass, relative atomic mass (Symbol A). the average weight of a sample of an element expressed in atomic weight units.
출처: www.curtin.edu.au/curtin/centre/waisrc/OKLO/Access...
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| atomic nucleus |
The positively charged core of an atom.
출처: www.neo.state.ne.us/statshtml/glossarya.htm
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| atom | a highly unstable radioactive element (the heaviest of the halogen series) |
|---|---|
| atom | a radioactive gaseous element formed by the disintegration of radium |
| atom | a radioactive element of the alkali-metal group discovered as a disintegration product of actinium |
| atom | an intensely radioactive metallic element that occurs in minute amounts in uranium ores |
| atom | a radioactive element of the actinide series |
| atom | a nonmetallic univalent element belonging to the halogens |
| atom | a soft silvery-white tetravalent radioactive metallic element |
| atom | a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead |
| atom | a heavy toxic silvery-white radioactive metallic element |
| atom | a radioactive transuranic metallic element |
| atom | a radioactive transuranic element that is similar to uranium |
| atom | a radioactive transuranic metallic element |