| atomic number |
A number assigned to each element that identifies the number of protons in the nucleus of an atom.
출처: www.st.com/stonline/press/news/glossary/glossary.h...
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| atomic mass unit |
This is the smallest unit of mass we use in chemistry, and is equivalent to 1/12 the mass of carbon-12. To all intents and purposes, protons and neutrons weigh 1 amu
출처: misterguch.brinkster.net/vocabulary.html
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| atom |
The smallest particle that retains all the chemical properties of a given element.
출처: college.hmco.com/geology/resources/geologylink/glo...
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| atomic number |
The number of protons in the nucleus of a given atom. Elements are distinguished from each other by their at-omic numbers.
출처: college.hmco.com/geology/resources/geologylink/glo...
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| atomic mass |
1. The sum of protons and neutrons in an atom's nucleus. 2. The combined mass of all the particles in a given atom.
출처: college.hmco.com/geology/resources/geologylink/glo...
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