1250547
Descrição
FlashCards por 09valentinerhi, atualizado more than 1 year ago
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Criado por 09valentinerhi
mais de 10 anos atrás
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| Questão | Responda |
| Isotopes | are atoms of an element with different numbers of neutrons and different masses |
| Relative Isotopic Mass | the mass of an atom of an isotope compared with one-twelfth of the mass of an atom of carbon-12 |
| Relative atomic mass | is the weighted mean mass of an atom of an element compared with one-tewlfth of the mass of an atom of carbon-12 |
| Amount of substance | the quantity whose unit is the mole Chemists use 'amount of substance' as a means of counting atoms |
| Avogadro Constant | the number of atoms per mole |
| Mole | Unit for amount of substance |
| Molar Mass | the mass per mole of a substance |
| Empirical Formula | The simplest whole number ratio of atoms of each element present in a compound |
| Molecular Formula | Th actual number of atoms of each element in a molecule |
| Salt | A salt is produced when the H+ ion of an acid is replaced by a metal ion or NH(4)+ |
| Acid + Carbonate | Salt + Water + CO2 |
| Acid + Base | Salt + Water |
| Acid + Alkali | Salt + Water |
| Anhydrous | Substance that contains no water molecules |
| Hydrated | A crystalline compound containing water molecules |
| Water of Crystallisation | Water molecules that form an essential part of the crystalline structure of a compound |
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