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Unit 7 Lessons 1,2,3 Test Review Flashcards | StudBud
Unit 7 Lessons 1,2,3 Test Review
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Think about a wooden chair and a balloon. What do these two objects always have in common?
A
A. Both are made of atoms.
B
C. Both are made of the same kind of atom.
C
D. Both are made of the same number of atoms.
D
B. Both have the same mass number.
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