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The ground-state valence-shell configuration of a particular atom is 4f145d56s2 .The element to which this atom belongs is a
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Heavy earthmoving equipment with a large metal blade in front for pushing material, such as soil, sand, snow, or rubble, during construction or conversion of land.
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Circular-Flow Diagram
An economic diagram that maps out the journey of money as it passes through markets, involving both households and businesses.
Household
An economic unit consisting of all the individuals who live together in one housing arrangement.
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