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An atom of an element in the ground state contains 8 valence electrons. The element...

Chemistry
WAEC 2024

An atom of an element in the ground state contains 8 valence electrons. The element is considered as a

  • A. metal
  • B. semi-metal
  • C. noble gas
  • D. halogen
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Correct Answer: Option C
Explanation

An atom containing 8 valence electrons is typically classified as a noble gas. Noble gases are found in Group 0 of the periodic table and are known for their stability due to having full valence shells, which means they possess eight electrons in their outermost shell.


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