6. When you combine 2 Hydrogen atoms, it will end up producing a A. mixture B. compound C. pure Substance D. base 7. When two different atoms combine, it will produce A. mixture B. another substance C. compound D. pure substance 8. What substance is composed of only one kind of atom? A. element B. compound C. pure substance D. mixture 9. When one or more substance is combined, it is called A. element B. compound C. pure substance D. mixture
Answers & Comments
Answer:
6) A
7) B
8) A
9) D
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