Orbital Notation of the First Twenty Elements

Front

Hydrogen (H)

Back

1s¹

Front

Helium (He)

Back

1s²

Front

Lithium (Li)

Back

1s² 2s¹

Front

Beryllium (Be)

Back

1s² 2s²

Front

Boron (B)

Back

1s² 2s² 2p¹

Front

Carbon (C)

Back

1s² 2s² 2p²

Front

Nitrogen (N)

Back

1s² 2s² 2p³

Front

Oxygen (O)

Back

1s² 2s² 2p⁴

Front

Fluorine (F)

Back

1s² 2s² 2p⁵

Front

Neon (Ne)

Back

1s² 2s² 2p⁶