Why are‘d block’ elements called outer transition elements?

Why are‘d block’ elements called outer transition elements?
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1 Answer

Answer :

‘d block’ elements are called outer transition elements because they contain at most two

electrons in their outer shell.
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Related questions

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Which of the following circuit elements is used to 'block' DC in an electronic circuit? (1) Resistances (2) Capacitance (3) Inductance (4) Diode

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