D And F Block Elements Question 74

Out of all the known elements, the percentage of transition elements is approximately

Options:

30%

50%

60%

75%

Show Answer

Answer:

Correct Answer: C

Solution:

$ \frac{\text{Transition element }+\text{ Inner transition element}}{\text{Total element}}\times 100 $ $ \frac{33+28}{105}\times 100=58.09\approx 60% $



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