- Starwatch: comet Lovejoy becomes visible to the naked eye
- A month ago I promised an update on the progress and appearance of Comet C/2014 Q2 Lovejoy as it climbed to the right of Orion in our evening sky.
- Ammonium radical is atomic pretender
- 'The CN neutral radical, which typically forms CN- ions, is a typical pseudohalogen, the neutral H3O radical is another pseudoalkali, which typically becomes H3O+,' Gutowski adds. These too might be similarly investigated.
Pseudohalogen is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Pseudohalogen books and related discussion.