CHEM 120 Final Exam 1 ( Latest ) GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved)
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Course
CHEM 120
Institution
CHEM 120
CHEM 120 Final Exam 1 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved)
1. define matter
Answer: anything that has mass and takes up space
2. what is not considered matter?
Answer: light, heat, electricity
3. definite shape, definite volume
Answer: solid
4. indefinite shape, definite...
CHEM 120 Final Exam 1 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 1. define matter Answer : anything that has mass and takes up space 2. what is not considered matter? Answer : light, heat, electricity 3. definite shape, definite volume Answer : solid 4. indefinite shape, definite volume Answer : liquid 5. indefinite shape, indefinite volume Answer : gas 6. pure substance Answer : one substance; definite and constant composition; can't be separated into 2 kinds of matter by physical means; single kind of matter 7. heterogeneous mixture Answer : nonuniform in appearance; visibly different phases 8. homogeneous mixture Answer : visibly one distinct phase; uniform properties 9. examples of pure substances Answer : water, sugar, table salt 10. examples of heterogeneous mixtures Answer : trail mix, chocolate chip cookies, cereal and mix 11. examples of homogeneous mixtures Answer : chocolate milk, orange juice, salt water 12. element v compound Answer : can't be broken down into simpler substances by chem ical or physical means -v- can be broken down into elements by chemical, but not physical means 13. mixture v compound Answer : physical combinations of substances -v- chemical com- bination of substances 14. most abundant elements in the universe as a whole plus in earth's crust - Answer : hydrogen and oxygen 15. two most abundant elements in the earth's crust Answer : oxygen and silicon 16. Ag Answer : silver 17. Al Answer : aluminum 18. Ar Answer : argon 19. Au Answer : gold
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