Question

The element Z = 114 has been discovered recently. It will belong to which of the following family group and electronic configuration?

• A. Halogen family, [Rn] 5f¹⁴6d¹⁰7s²7p⁵
• B. Carbon family, [Rn] 5f¹⁴6d¹⁰7s²7p²
• C. Oxygen family, [Rn] 5f¹⁴6d¹⁰7s²7p⁴
• D. Nitrogen family, [Rn] 5f¹⁴6d¹⁰7s²7p⁶

Answer 1

The Correct Option is B

The element with atomic number \( Z = 114 \) is known as Flerovium (Fl). This element belongs to the Carbon family in the periodic table, which contains elements with valence electron configurations in the p-block.

To determine its position and electronic configuration, we refer to the periodic table:

1. Flerovium (Fl) is placed in Group 14 of the periodic table, which is the Carbon family.
2. The general electronic configuration of Group 14 elements is characterized by having two electrons in the outermost p sublevel, following the s²p² pattern.
3. The electronic configuration of Flerovium is derived from the nearest noble gas configuration of Radon (Rn), followed by the addition of electrons in the 5f, 6d, 7s, and 7p orbitals:

Thus, its electronic configuration is:

[Rn] \, 5f^{14} \, 6d^{10} \, 7s^{2} \, 7p^{2}

This matches the typical configuration pattern for the elements of the Carbon family, ensuring it is indeed a part of Group 14.

Let's evaluate the options to determine the correct answer:

• Option A: Halogen family with electronic configuration [Rn] 5f¹⁴6d¹⁰7s²7p⁵. This is incorrect because the valence electronic configuration 7p⁵ is indicative of the Halogens (Group 17).
• Option B: Carbon family with electronic configuration [Rn] 5f¹⁴6d¹⁰7s²7p². This is correct as it corresponds to the Carbon family (Group 14), which Flerovium belongs to.
• Option C: Oxygen family with electronic configuration [Rn] 5f¹⁴6d¹⁰7s²7p⁴. This is incorrect as the valence configuration 7p⁴ is typical for the Oxygen family (Group 16).
• Option D: Nitrogen family with electronic configuration [Rn] 5f¹⁴6d¹⁰7s²7p⁶. This is incorrect because this configuration indicates a complete p-sublevel, typical for noble gases after the Nitrogen family (Group 15).

Therefore, the correct answer is: Carbon family, [Rn] 5f¹⁴6d¹⁰7s²7p².