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Chemistry Quiz 5 (25 MCQs)

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1. Which of the following will have a higher electronegativity than arsenic (As)?
2. What structural feature must a molecule have in order to undergo addition polymerization?
3. Which of the following is the chemical symbolfor the element hydrogen?
4. If an atom contains 4 protons, 4 neutrons, and 4 electrons. What is its mass number?
5. What are the 3 parts of an atom?
6. Name one use for bitumen?
7. An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
8. Mass Number = _____
9. If a substance is a _____ mixture the particles are evenly distributed throughout the entire mixture.
10. A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
11. What effect of optical isomers on plane-polarized light can be measured using a polarimeter?
12. What is the product of the oxidation of butan-2-ol?
13. Na3PO4 + 3 KOH $\rightarrow$ 3 NaOH + K3PO4
14. These chemicals are used in food processing except..
15. Organic compounds made only of the elements carbon and hydrogen are called _____
16. Merbicides are used against.
17. The valency of Chlorine in AlCl3 is
18. All atoms of the same element have the same
19. Which of the following is a decomposition reaction?
20. The following reaction is an example of what reaction type? CoCO3 $\rightarrow$ CoO + CO2
21. Which subatomic particle identifies an atom of an element?
22. Anything that has mass and takes up space is called
23. Which tool will give you the most accurate volume of liquids?
24. The melting point of ice is 00 C. This is an example of _____
25. A student determined the heat of fusion of water to be 88 calories per gram. If the accepted value is 80. calories per gram, what is the student's percent error?
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