An atom is in a stable form when its outer electron shell is full and electronic configurations having duplet structure means two valence electrons and octet structure means eight valence electrons have the greatest stability. Most atoms of elements have no stable configuration and to achieve stable configuration they react with other atoms to transfer, share or receive electrons.
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Answer:
The Aztec pyramids were built to house altars.
Top: flat, to serve as a base for the placement of the altar
External aspect: stairs and sculptures embedded in the walls. Coating of unpolished stones
Access: By steps to reach the top of the pyramid, where were the altars
Base: Square or Rectangular
The Egyptian pyramids served as tombs for the pharaohs.
Top: Well defined summits
External aspect: smooth walls, no stairs or objects on the walls. Polished Granite Block Flooring
Access: through corridors and intermediate chambers to reach the interior of the building, where is the tomb
Base: square
Explanation:
It depends what the choices are unless there is not specific choices.
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