Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Metal | λ (nm) | Assignment |
|---|---|---|
| Li+ | 19.9 | 1s12p1 → 1s2 (1P → 1S) |
| Na+ | 37.2 | 2s22p53s1 → 2s22p6 (1P → 1S) |
| K+ | 60.1 | 3s23p54s1 → 3s23p6 (1P → 1S) |
| Ca2+ | 40.4 | 3s23p54s1 → 3s23p6 (1P → 1S) |
| Ba2+ | 65.7 | 5s25p56s1 → 5s25p6 (1P → 1S) |
| Cu+ | 135.9 | 3d94p1 → 3d10 (1P → 1S) |
