the simplest type of pure substance that cannot be broken down into simpler components.
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Type: Glossary
a reaction in which a small atom or molecule is removed or eliminated from a larger molecule....
Type: Glossary
the simplest ratio of atoms of the different elements in the compound.
Type: Glossary
a heterogeneous mixture with a stable distribution of a liquid in another liquid, for example,...
Type: Glossary
reactions that cause the surroundings to cool. Heat is taken in.
Type: Glossary
a process that takes energy into the system. This increases the internal energy of the system (...
Type: Glossary
a reaction in which heat is absorbed from the surroundings and the temperature of the reaction...
Type: Glossary
the levels of energy in which electrons move and which have fixed amounts of energy.
Type: Glossary
the difference between the energy absorbed to break bonds and the energy transferred to the...
Type: Glossary
everything around, and excluding, the chemical system itself.