Verified Solution • 2025–26 Session moderate

QJEEM19Ch489e: JEE Main 2019 Chemistry - Class 11 JEEM19Ch489e Solution: The element with Z = 120 (not yet discovered) will be an/a -

The element with Z = 120 (not yet discovered) will be an/a -

Multiple Choice Options

  • A Alkaline earth metal
  • B Alkali metal
  • C Transition metal
  • D Inner transition metal

Step-by-Step Verified Solution

Electronic configuration of element Og (118) is
[Rn] 5f146d 107s 27p6, where Og is oganesson.

[Og118] 8s2 is configuration for Z = 120,

As per the configuration it is in IInd group. Thus, element with Z = 120 will be an alkaline earth metal.

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