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Key Question #19 - c (I d (I 95 The NH 3 ion has a lone...

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Lesson 19 Key Questions 93) Most of the differences can be attributed to the presence and behaviour of d- orbital electrons. Some characteristics of transition elements include: hard and relatively dense, relatively high melting points, paramagnetic compounds, coloured compounds, multiple oxidation states and weaker reducing agents. 94) a) tetrachlorocopper(II) ion b) diamminesilver(I) ion
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Unformatted text preview: c) tetramminesulfatocopper(I) d) hexaquotrichloroaluminum(I) 95) The NH 3 ion has a lone pair of electrons (2 electrons) that are used in bonding of the d-orbital of the transition elements. With the NH 4 + the lone pair is occupied by the extra H+ atom which doesn’t allow it to bond with the d-orbital of the transition elements....
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