单词	tetravalent
释义	tetravalent /ˌtɛtrəˈveɪl(ə)nt / adjective Chemistry Having a valency of four.In 1857, he suggested that the carbon atom was tetravalent, that is, it could bond with four other atoms.... Electrolytic means have been used to reduce the metal from its tetravalent state to both the bi- and trivalent forms by employing acid electrolytes and electrodes of cither lead, copper, platinum, or mercury jet. Every node in this graph was tetravalent: connected by four edges to four other nodes.
随便看	diploma diplomacy diploma mill diplomat diplomate diplomatic diplomatically diplomatic bag diplomatic corps diplomatic immunity diplomatic pouch diplomatic recognition diplomatic service diplomatist diplont diplontic diplopia diplopod Diplopoda diplotene Diplura dipluran dip net dipolar dipole

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