Lithium

[He] 2s¹

Beryllium

[He] 2s²

Boron

[He] 2s² 2p¹

Carbon

[He] 2s² 2p²

Nitrogen

[He] 2s² 2p³

Oxygen

[He] 2s² 2p⁴

Fluorine

[He] 2s² 2p⁵

Neon

[He] 2s² 2p⁶

Sodium

[Ne] 3s¹

Magnesium

[Ne] 3s²

Aluminum

[Ne] 3s² 3p¹

Silicon

[Ne] 3s² 3p²

Phosphorus

[Ne] 3s² 3p³

Sulfur

[Ne] 3s² 3p⁴

Chlorine

[Ne] 3s² 3p⁵

Argon

[Ne] 3s² 3p⁶

Potassium

[Ar] 4s¹

Calcium

[Ar] 4s²

Scandium

[Ar] 3d¹ 4s²

Titanium

[Ar] 3d² 4s²

Vanadium

[Ar] 3d³ 4s²

Chromium

[Ar] 3d⁵ 4s¹

Manganese

[Ar] 3d⁵ 4s²

Iron

[Ar] 3d⁶ 4s²

Cobalt

[Ar] 3d⁷ 4s²

Nickel

[Ar] 3d⁸ 4s²

Cu

Copper

[Ar] 3d¹⁰ 4s¹

Zinc

[Ar] 3d¹⁰ 4s²

Gallium

[Ar] 3d¹⁰ 4s² 4p¹

Germanium

[Ar] 3d¹⁰ 4s² 4p²

Arsenic

[Ar] 3d¹⁰ 4s² 4p³

Selenium

[Ar] 3d¹⁰ 4s² 4p⁴

Bromine

[Ar] 3d¹⁰ 4s² 4p⁵

Krypton

[Ar] 3d¹⁰ 4s² 4p⁶

Rubidium

[Kr] 5s¹

Strontium

[Kr] 5s²

Yttrium

[Kr] 4d¹ 5s²

Zirconium

[Kr] 4d² 5s²

Niobium

[Kr] 4d⁴ 5s¹

Molybdenum

[Kr] 4d⁵ 5s¹

Technetium

[Kr] 4d⁵ 5s²

Ruthenium

[Kr] 4d⁷ 5s¹

Rhodium

[Kr] 4d⁸ 5s¹

Palladium

[Kr] 4d¹⁰

Silver

[Kr] 4d¹⁰ 5s¹

Cadmium

[Kr] 4d¹⁰ 5s²

Indium

[Kr] 4d¹⁰ 5s² 5p¹

Sn

Tin

[Kr] 4d¹⁰ 5s² 5p²

Antimony

[Kr] 4d¹⁰ 5s² 5p³

Tellerium

[Kr] 4d¹⁰ 5s² 5p⁴

Iodine

[Kr] 4d¹⁰ 5s² 5p⁵

Xenon

[Kr] 4d¹⁰ 5s² 5p⁶

Cesium

[Xe] 6s¹

Barium

[Xe] 6s²

Hafnium

[Xe] 4f¹⁴ 5d² 6s²

Tantalum

[Xe] 4f¹⁴ 5d³ 6s²

Tungsten

[Xe] 4f¹⁴ 5d⁴ 6s²

Rhenium

[Xe] 4f¹⁴ 5d⁵ 6s²

Osmium

[Xe] 4f¹⁴ 5d⁶ 6s²

Iridium

[Xe] 4f¹⁴ 5d⁷ 6s²

Platinum

[Xe] 4f¹⁴ 5d⁹ 6s¹

Gold

[Xe] 4f¹⁴ 5d¹⁰ 6s¹

Mercury

[Xe] 4f¹⁴ 5d¹⁰ 6s²

Thallium

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹

Lead

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²

Bismuth

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³

Polonium

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴

Astatine

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵

Radon

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶

Francium

[Rn] 7s¹