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Tetrahedral because there are 4 areas of electron density around the central carbon atom that repel as far away as possible. The bond angle is 109 degrees
Hydrogen bonding is a relatively strong inter-molecular force, caused by strong dipole-dipole interactions between an electron-deficient H atom and a lone pair of electrons...
Acidic buffer is solution which containing high concentration of weak acid and its conjugate base. Its pH would remain relatively constant when adding small amount of acid or base.i.e. CH3COOH...
Ionic bonding: When a metal loses electron(s) and a non-metal gains electron(s) to achieve a full outer shell For example, sodium chloride (NaCl) Points to make: Which atom lose...
Al has the higher first ionisation energy. Mg electronic configuration is [Ne]3s2 whereas Al configuration is [Ne]3s23p1. To remove the electron from Al, it has to be remo...
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