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Elements, Compounds and Mixtures
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Grade Level
Grade 8
8.19 Elements, Compounds and Mixtures
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A compound has formula XY2. Which statement must be true?
A
Every particle has twice as many X atoms as Y atoms.
B
The sample is a mixture of X and Y.
C
Every particle has twice as many Y atoms as X atoms.
D
The compound can be separated by a magnet.
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