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when an organic compound contains a double or triple bond and thus the maximum number of hydrogen atoms per number of carbon atoms.
materials that exhibit strong magnetic effects; form magnets or are attracted to magnets
ionisation chamber in which single ionising events can be detected.
electrons that have become removed from the atom and form a âseaâ or region to which the...
the forces between atoms within molecules: covalent, polar covalent, dative covalent, ionic and...
all matter is made of particles (molecules or atoms) that are in constant motion.