9416200
Descripción
Fichas por Niamh Ryan, actualizado hace más de 1 año
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Creado por Niamh Ryan
hace más de 7 años
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| Pregunta | Respuesta |
| Isotope | Atoms of the same element that have different masses due to different number of neutrons in the nucleus |
| Atomic number | Number of protons in an atom |
| Mass number | Total number of protons and neutrons in an atom |
| Relative atomic mass | Mean mass of an atom of an element compared with carbon-12 |
| Element | A substance made up atoms which all have the same number of protons |
| Nuclear fission | The splitting of an atom to produce atoms of a different element, neutrons and energy |
| Mendeleev's periodic table was arranged in order of | Atomic weight |
| Moseley rearranged the periodic table in terms of | Atomic number |
| Period | A horizontal row of elements |
| Group | Each column of elements |
| Newlands organised his octaves in order of | Increasing atomic weight |
| According to Dobereiner... | ... the atomic weight of the middle element is nearly the same as average of the atomic weights of other two elements. |
| Electronic configuration | The way in which an atom's electrons are arranged |
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