Key term for Edexcel GCSE Chemistry, used in Earth and Atmospheric Science.
Water in its gaseous state (), which was a major component of the early atmosphere released by volcanoes.
Water vapour (H₂O) appears in Edexcel GCSE Chemistry revision content for Fuels and Earth Science, especially Earth and Atmospheric Science and Early Atmosphere Formation.
Create a free account to access Edexcel GCSE Chemistry revision notes, track progress, and practise related key terms.