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a substance that can donate or accept a proton. It can act as an acid or a base.
a group of elements that are good conductors of heat and electricity.
a process that takes energy into the system. This increases the internal energy of the system (...
molecule which generally contains carbon atoms. There are some exceptions including CO2 , HÂ...
compounds that have different structural formulae but the same molecular formula.
a change in which the form of matter is changed, but one substance is not transformed into...