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the maximum height of the troposphere.
molecule where the ratio of atoms is 1 : 3. So the bond angle is 1200, for example BF3
a process that takes energy into the system. This increases the internal energy of the system (...
a bond formed when non-metal atoms share a pair of valence electrons to form a molecule.
a new species or substance that exists after a chemical reaction has occurred. This excludes un-...