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- 1IsotopeAtoms of the same element that have different masses due to different number of neutrons in the nucleus
- 2Atomic numberNumber of protons in an atom
- 3Mass numberTotal number of protons and neutrons in an atom
- 4Relative atomic massMean mass of an atom of an element compared with carbon-12
- 5ElementA substance made up atoms which all have the same number of protons
- 6Nuclear fissionThe splitting of an atom to produce atoms of a different element, neutrons and energy
- 7Mendeleev's periodic table was arranged in order ofAtomic weight
- 8Moseley rearranged the periodic table in terms ofAtomic number
- 9PeriodA horizontal row of elements
- 10GroupEach column of elements
- 11Newlands organised his octaves in order ofIncreasing atomic weight
- 12According to Dobereiner...... the atomic weight of the middle element is nearly the same as average of the atomic weights of other two elements.
- 13Electronic configurationThe way in which an atom's electrons are arranged
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- El usuario ha eliminado su información de asignaturas Fichas sobre Flashcards, creado por Usuario eliminado el 29/06/2017.
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- Usuario eliminado · jun 2017
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- Creado por Niamh Ryan · 26 jun 2017
- Copiado por Niamh Ryan · 29 jun 2017
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