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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Write lewis dot symbol for following elements : silicon
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- The oxidation state of Cr in compound CrO5 is
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- Draw lewis structure of PF3
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- Draw lewis dot structure of SF2
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- The atomic numbers of three lanthanide elements X,Y and Z are 65,68 a...
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- Ce (Z = 58) and Yb (Z = 70) exhibit stable +4 and +2 oxidation states ...
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- Which of the following statements is not true?
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- Assertion : Tungsten has very high melting point. Reason : Tungsten ...
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- Assertion : Cuprous salts are diamagnetic. Reason : Cu has 3d-filled...
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- Electronic configuration of Fe^2+.........
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- Why is La(OH)3 more basic than Lu(OH)3 ?
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- Assertion : FeCl3 reacts with KCNS to give blood red colouration. Re...
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- Draw lewis dot structure of SO2
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- Why Zn^(2+) salts are colourless and Ni2+ salts are coloured?
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- Reason of lanthanoid contraction is :
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- Why the actinoids exhibit a large number of oxidation states than the ...
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- Draw lewis dot structure of F2O.
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- Complete the following:
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- Choose the correct option- Bronze alloy has the following composition-
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- The answer to each of the following questions is a single- digit -in...
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