83983
Descripción
Fichas por siobhan.quirk, actualizado hace más de 1 año
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Creado por siobhan.quirk
hace más de 11 años
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| Pregunta | Respuesta |
| Define period | a horizontal row of elements in the Periodic Table. Elements show trends in properties acros a period |
| Define group | a vertical column of elements in the Periodic table. Elements in a group have similar chemical properties and their atoms have the same number of outer-shell electrons |
| Define periodicity | a repeating pattern of properties across the Periodic Table |
| Define thermal decomposition | the breaking up of a chemical substance with heat into at least two chemical substances |
| Define displacement reaction | a reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions |
| Define disproportionation | the oxidation and reduction of the same element in a redox reaction |
| Define precipitation reaction | is the formation of a solid from a solution during a chemical reaction. Precipitates are often formed when two aqueous solutions are mixed together |
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