reStructuredText:

.. image:: https://dependency-dash.repo-helper.uk/github/domdfcoding/chemistry_tools/badge.svg
    :target: https://dependency-dash.repo-helper.uk/github/domdfcoding/chemistry_tools
    :alt: Requirements Status

Markdown:

[![Requirements Status](https://dependency-dash.repo-helper.uk/github/domdfcoding/chemistry_tools/badge.svg)](https://dependency-dash.repo-helper.uk/github/domdfcoding/chemistry_tools)

HTML:

<a href="https://dependency-dash.repo-helper.uk/github/domdfcoding/chemistry_tools"><img src="https://dependency-dash.repo-helper.uk/github/domdfcoding/chemistry_tools/badge.svg" alt="Requirements Status" /></a>