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Member for
3 years 1 monthAge: 12+
Level: 7-12
Language: English
(en)
ID: 1339105
01/09/2021
Country code: US
Country: United States
Main content: Classifying matter (1910235)
Classify particle models as an atom, a molecule, an element or a compound.
Other contents: atoms, compounds, molecules, elements
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