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reactions that cause the surroundings to cool. Heat is taken in.
valence shell electron pair repulsion theory (VSEPR) is used to explain the shapes of molecules...
the part of the Earth and its atmosphere in which life can exist.
when an aqueous solution of potassium cyanide is added to the slurry of metallic gold and ore....
the sum of the number of protons and neutrons (the nucleons) in the nucleus of an atom. It...
materials that exhibit strong magnetic effects; form magnets or are attracted to magnets