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Class 12 Chemistry Practice Test: Electronic Configurations of the D-Block Elements
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Class 12 Chemistry Practice Test: Electronic Configurations of the D-Block Elements
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10 Questions

1. Why do transition elements form alloys so easily?
2. Which of the following has the highest atomic number?
3. Why does Zinc not show variable valency?
4. What is the oxidation state exhibited by actinium?
5. The main factor for the cause of lanthanide contraction is poorer shielding of 5d electrons by 4f electrons.
6. Which of the following are d-block elements, but not regarded as transition elements?
7. Which of the following are d-block elements, but not regarded as transition elements?
8. The main factor for the cause of lanthanide contraction is poorer shielding of 5d electrons by 4f electrons.
9. Where does the last electron of d-block element go?
10. Among d-block elements, the most abundant element belongs to the first transition state.

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