What are d-block and f-block elements?
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Solution and Explanation
- d-block elements: Elements in which the last electron enters the d-orbital. Examples: Transition metals like Fe, Cu.
- f-block elements: Elements in which the last electron enters the f-orbital. Examples: Lanthanides and Actinides.
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Which of the following statements are correct?
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B. The process of removing an electron from an isolated gaseous atom is always endothermic
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D. The electronegativity of C is 2.5 in $ CH_4 $ and $ CCl_4 $
E. Li is the most electropositive among elements of group 1
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