If an atom is represented as 23 11 X, which of the following deduction is

CHEMISTRY
JAMB 2009

If an atom is represented as2311X, which of the following deduction is correct?

  • A) it contains 12 protonic
  • B) it forms a covalent chloride
  • C) its atomic number is 23
  • D) it is an alkali metal

Correct Answer: D) it is an alkali metal

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