Input interpretation
![actinium I (neutral actinium) | atomic spectral lines](../image_source/125dfb58819898ce9edf09b5c862ab44.png)
actinium I (neutral actinium) | atomic spectral lines
Atomic spectrum
![Atomic spectrum](../image_source/6072e12739a84be010cb69984ca24884.png)
Atomic spectrum
Visible region
![Atomic spectrum Visible region](../image_source/3cc97401309404c4ea7c40c9e36ed1f0.png)
Atomic spectrum Visible region
Spectral lines
![4179.98 Å | 4183.12 Å | 4194.4 Å | 4384.53 Å | 4396.71 Å | 4462.73 Å | 4716.58 Å | 6359.86 Å | 6691.27 Å | 7290.4 Å | 7866.1 Å](../image_source/fb103132de1138f73f75e0d42815377d.png)
4179.98 Å | 4183.12 Å | 4194.4 Å | 4384.53 Å | 4396.71 Å | 4462.73 Å | 4716.58 Å | 6359.86 Å | 6691.27 Å | 7290.4 Å | 7866.1 Å