Name the first and the last member of the 3d series
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Scandium is a chemical element with symbol Sc and atomic number 21 and it is the first member of 3d series.
Actinium (Symbol Ac 7 atomic number 89) is a radioactive chemical element and it is the last member of 3d series.
Actinium (Symbol Ac 7 atomic number 89) is a radioactive chemical element and it is the last member of 3d series.
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Scandium is the first member of the 3d series.
Actinium is the last member of the 3d series.
Actinium is the last member of the 3d series.
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