13356910
Descripción
Fichas por I Shouldn't be awake, actualizado hace más de 1 año
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Creado por I Shouldn't be awake
hace más de 6 años
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| Pregunta | Respuesta |
| Increase in shell number n effect on S-orbital | Greater the S orbital radius |
| Increase in shell number n effect on p-orbital | Further p orbital is from nucleus |
| What sub-shells are present in shell 3? | 3s,3p,3d |
| Within a sub-shell, all orbitals have the same ___ | Energy |
| Explain shape of CH4 | 4 pairs of bonded electrons around central carbon atom Repel each other, arrange themselves as fair in space to minimise repulsion Form a tetrahedral arrangement 109.5' |
| Explain shape of NH3 | 3 bonded pairs of electrons repel lone pair of electrons, lone pairs repel more strongly than bonded pairs reduces bond angle between bonded electrons by 2.5' 107., pyramidal |
| Draw a table of molecular shapes (8) bond angles name electrons | linear 180' Trig. planar 120' Tetrahedral 109.5' Pyramidal 107' Bent 104.5' Trigonal bipyramidal 90+120' Octahedral 90' Square planar 90' |
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