| atom |
This is the smallest unit of an element. It contains a nucleus with neutrons and protons, surrounded by orbiting electrons.
출처: www.nuenergy.org/alt/glossary.htm
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| atomic mass |
The mass of an atom usually expressed as atomic mass unit (amu).
출처: www.nuenergy.org/alt/glossary.htm
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| atom |
The smallest parts of an element; the building blocks of matter. Made up of a positively charged nucleus surrounded by negatively charged electrons.
출처: www.westernpower.com.au/about_us/world_of_energy/s...
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| atom |
The smallest unit of matter. Scientists so far have found 112 different kinds of atoms. Everything in the world is made of different combinations of these atoms.
출처: www.fplsafetyworld.com/glossary/
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| atomic number |
the number of protons in the nucleus, in electrically balanced atom, it is also the number of electrons
출처: www.sciencebyjones.com/definitions.htm
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