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NEETChemistryClassification of Elements and Periodicity in Properties

Identify the group and valency of the element with atomic number 119. Additionally, predict its outermost electronic configuration and write the general formula of its oxide.

Options

  1. AGroup 18, Valency 0, Outermost electronic configuration: 5s²5p⁶, Oxide: MO
  2. BGroup 1, Valency 1, Outermost electronic configuration: 8s¹, Oxide: M 2 O
  3. CGroup 17, Valency 1, Outermost electronic configuration: 7s²7p⁶, Oxide: MO 3
  4. DGroup 2, Valency 2, Outermost electronic configuration: 6s², Oxide: MO 2

Correct answer

B. Group 1, Valency 1, Outermost electronic configuration: 8s¹, Oxide: M 2 O

Step-by-step solution

Correct Option is : (B) Group 1, Valency 1, Outermost electronic configuration: 8s¹, Oxide: M 2 O

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