1829849
Descripción
Fichas por 09valentinerhi, actualizado hace más de 1 año
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Creado por 09valentinerhi
hace más de 9 años
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| Pregunta | Respuesta |
| First Ionisation Energy | The energy required to remove one electron from each atom in one mole of gaseous atoms to form one mole of gaseous +1 ions |
| Successive Ionisation Energy | A measure of the energy required to remove each electron in turn. For example, the second ionisation energy of an element is the energy required to remove one electron from each ion in one mole of gaseous 1+ ions to form one mole of gaseous 2+ ions |
| Obital | Region that can hold up to two electrons, with opposite spins |
| S Orbital | Spherical Shape |
| P Orbital | 3D dumb-bell shape at right angles to each other |
| Ionic bonding | electrostatic attraction between opppositely charged ions |
| Covalent Bond | bond formed by a shared pair of electrons |
| Electronegativity | The ability of an atom to attract the bonding electrons in a covalent bond |
| Boron Triflouride: 3 bonded pairs Bond angle: 120 Trigonal Planar | |
| Methane: 4 bonded pairs bond angle: 109.5 Tetrahedral | |
| Sulphur Hexaflouride 6 bonded electron pairs bond angle: 90 Octahedral | |
| Ammonia bond angle: 107 pyramidal | |
| Water bond angle: 104.5 non-linear | |
| CO2 bond angle: 180 Linear | |
| Metallic Bonding | the attraction of positive ions to delocalised electrons |
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