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General science
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Two or more elements combine chemically to form compounds.
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Age 11-13
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level: 8
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English
คำแนะนำของผู้เขียน
Compounds consist of different types of atoms.
-
General science
-
Two or more elements combine chemically to form compounds.
-
Age 11-13
-
level: 8
-
English
คำแนะนำของผู้เขียน
Compounds consist of different types of atoms.
