libchemistry-formula-perl software package provides enumerate elements in a chemical formula, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libchemistry-formula-perl
libchemistry-formula-perl is installed in your system.
Make ensure the libchemistry-formula-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libchemistry-formula-perl *
You will get with libchemistry-formula-perl package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Perl |
| Package | libchemistry-formula-perl |
| Version | 3.0.1-1.2 |
| Description | enumerate elements in a chemical formula |
| Sub Section | perl |