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PFOS: Webquest
This is an online learning path about PFOS that can also be used in the classroom. Today's problems are viewed from different angles. Through group work, students become experts in a field (chemistry, biology or geography) and general PFOS expert. …
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Interactive exercise (3)Student (teacher training) -
Nucleons and nuclides: Fill in the blanks
Students look up the following information about the chemical element chlorine:
- atomic number,
- atomic mass,
- number of protons,
- number of neutrons,
- number of electrons.
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Interactive exerciseStudent (teacher training)