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Introduction to d and f Block Elements

The atomic nu...

Question

The atomic numbers of Lanthanides are from:

57

71

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90

103

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21

30

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39

48

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Solution

The correct option is A $57$ to $71$
Lanthanides are cerium to lutetium and the atomic numbers are $57$ to $71$ .

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Similar questions

3 d

S c [21]

Z n (30)

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L a (57), H f (72)

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C e (58)

L r (103)

6 d

Y (39)

C d (48)

A c (89)

R f (104)

C n (112)

39

48

21, 24, 30, 33, 39, 42, 48, 51, 57, ?

L a^{3 +}

L u^{3 +}

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