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Give the number of valence electrons for Cd.
Wilderness
An area of natural land, often undeveloped and uninhabited by humans, that retains its primeval character and natural conditions, sometimes also preserved and protected for environmental reasons.
Historical Architectural Styles
refer to the distinct characteristics in the design and construction of buildings and structures over various periods and cultures throughout history.
Houses of Parliament
The iconic building located in London, containing the House of Commons and the House of Lords, central to the UK's parliamentary democracy.
Neo-Gothic
The revival of the Gothic style in architecture, especially in the 19th century.
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