On This Day – January 15 : British scientist Henry Cavendish announced the composition of water to the Royal Society on this day in 1784

Description

He revealed that water was a compound of hydrogen (H) and oxygen (O), which was known at the time as “dephlogistonated air”. He later discovered the composition of air and made the first calculations of the Earth’s mass.

Type of Activity

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group work, working independently

Audience

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TeacherStudent
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ADDITIONAL INFORMATION

What happened today in chemistry? Explore 366 days of chemistry history at On This Day in Chemistry, an RSC Learn Chemistry site. rsc.li/chemistry-calendar