Question : Which is the soft, malleable and silvery-yellow metal with atomic number 59 in the lanthanide series?
Option 1: Neodymium
Option 2: Praseodymium
Option 3: Promethium
Option 4: Gadolinium
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Correct Answer: Praseodymium
Solution : The correct option is Praseodymium .
Praseodymium is a chemical element with the symbol Pr and atomic number 59. It is a member of the lanthanide series, which is a group of 15 elements located in the f-block of the periodic table. Praseodymium, like many lanthanides, is a soft and malleable metal. This means it can be easily shaped or deformed under pressure.
Praseodymium exhibits a silvery-yellow or pale greenish-yellow colour, which can make it visually distinct when compared to other elements.
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