Question

Use the periodic table to identify the noble gas that would be included in the noble gas notation for each of the following elements.

Si:
Fr:
Hg:
V:

Answer 1

Si: ( NE )

Fr: ( RN )

Hg: ( XE )

V: ( AR )

Step-by-step explanation:

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Answer 2

1) Silicon (Si) is element with atomic number 14 (14 protons and 14 electrons).

Electron configuration of silicon atom:

₁₄Si 1s² 2s² 2p⁶ 3s² 3p² or [Ne] 3s² 3p², neon (Ne) is noble gas with atomic number 10.

2) Francium (Fr) is element with atomic number 87 (87 protons and 87 electrons).

Electron configuration of francium atom:

₈₇Fr 1s²2s²2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p⁶ 7s¹ or [Rn] 7s¹, radon (Rn) is noble gas with atomic number 86.

3) Mercury (Hg) is element with atomic number 80 (80 protons and 80 electrons).

Electron configuration of mercury atom:

₈₀Hg 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d¹⁰ 6s² or [Xe] 4f¹⁴ 5d¹⁰ 6s², xenon (Xe) is noble gas with atomic number 54.

4) Vanadium (V) is element with atomic number 23 (23 protons and 23 electrons).

Electron configuration of vanadium atom:

₂₃V 1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s² or [Ar] 3d³ 4s², argon (Ar) is noble gas with atomic number 54.