Chap.06 Transition Elements
TRANSITION ELEMENTS.
(c) Mn+2 (d) Fe2+
7. Which is the configuration of Cr:
(a) 3d4 4s2 (b) 3d5 4s1
(c) 3d6 4s1 (d) 2d1 4s2
8. The black image on an exposed and developed photographic film is composed of:
(a) Ag (b) Ag2O
(c) AgBr (d) Ag[(SrO3)2]-
9. The strength of binding energy of transition elements depend upon:
2
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On January 19, 2012 at 2:23 pm
so good sweet