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Write the reason for the statement given below. a. d-block elements in the same period show similarity. b. Transition elements show variable oxidation state. |
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Answer» a. Valence shell electrons of d-block elements in same periods are almost same. Valence shell electrons are entering in chemical reaction. Therefore they shows similarity. b. Energy of electrons in s-sub shell and inner d- subshells are almost same. Therefore s- electrons or s and d electrons take part in chemical reaction and show variable oxidation state. |
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