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C2
Fichas del conjunto (4)
- 1Proton numbersThe atomic number is the number of protons in an atom of an element. In our example, krypton's atomic number is 36. This tells us that an atom of krypton has 36 protons in its nucleus.
- 2Mass numbersMass number. The mass number (symbol A, from the German word Atomgewichte (atomic weight), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. It determines the atomic mass of atoms.
- 3Atomic structureThe atomic number (also called the proton number) is the number of protons in an atom.
- 4—
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- Descripción
- Year 9 Chemistry Fichas sobre C2, creado por DURRANT Charlotte el 11/07/2018.
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- DURRANT Charlotte
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