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MHT CET 2021 Chemistry Solved Paper
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© examsnet.com
Question : 1
Total: 100
Identify the last element in lanthanoid series.
N
d
Tm
L
u
T
b
Validate
Solution:
Last element of lanthanoid series is Lu i.e. leutetium with atomic number 71 and mass number 175.5. It is a silver white metal, which resists corrosion in dry air, but not in moist air.
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