发帖
雷达卡
Unit 5 States of Matter
state and use the general gas equation pV=nRT in calculations, including the determination of Mr;describe, using a kinetic-molecular model, the liquid state, melting, vaporisation and vapour pressure;describe in simple terms the lattice structure of a crystalline solid which is -ionic, as in NaCl, MgO -simple molecular, as in I2 -giant molecular, as in graphite, diamond, silicon(Ⅳ) oxide - hydrogen bonded, as in ice - metallic, as in Cu
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