Chemistry Quiz 7 (25 MCQs)

Quiz Instructions:

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1. The term PVC used in the plastic industry stands for

2. An unknown substance has the following properties:luster, brittle, a nonconductor of electricity, and high density. How would it be classified?

3. Copper is found in Period _____ and Group _____

4. A type of chemical bond in which a pair of electrons is unequally shared between two atoms

5. An insoluble solid formed in a chemical reaction is a

6. Which of the following is a diatomic element?

7. Organized the elements in the periodic table

8. "CHNOPS" stands for

9. For sodium to transform from a neutral atom to a positive ion, it must

10. What is a valence electron?

11. Given the reaction:H2SO4 + 2LiOH yields Li2SO4 + 2HOHWhich compound is a salt?

12. What explains the very high melting and boiling point of water

13. Which biomolecule is made of nucleotides and contain you DNA?

14. Sulfur hexafluoride is an example of a _____

15. Which has more molecules? This is a trick question!

16. Which of the following is found in the nucleus of an atom?

17. It refers to the ability to shine and to reflect light.

18. Balance the following: _____ H2SO4 + _____ NaNO2 $\rightarrow$ _____ HNO2 + _____ Na2SO4

19. Which of the following gases is the most toxic?

20. Which statement about the alkali metals is correct

21. Which of the following is not a carbon compound?

22. In which 0.01M solution is phenolphthalein pink? ))

23. How many bananas in 3.5 moles of bananas?

24. The major macromolecules of life are

25. The universal solvent