Black noticed that upon heating, calcium carbonate (CaCO3) produced a gas that was denser than air and could not sustain fire or animal life. He called this gas ‘fixed air’, but we now know it as carbon dioxide (CO2).
Related resources:
What happened today in chemistry? Explore 366 days of chemistry history at On This Day in Chemistry.
Explore analytical techniques and their applications with a chromatography investigation and research activity
Describe the metallic bonding model and explain how this leads to particular properties in metals, with this scaffolded writing activity
Understand the models and diagrams used to represent ionic bonding and their limitations, with this scaffolded writing activity
No comments yet