Chemistry Quiz 21 (25 MCQs)

Quiz Instructions:

Select an option to see the correct answer instantly.

1. Which of these is an ionic compound?

2. An-ate or-ite at the end of a compound name usually indicates that the compound contains _____

3. Matter is made up of tiny indestructible particles called

4. Which of the following tells you that a chemical change has occured?

5. What is the atomic mass for the element Dy?

6. The gaseous state of a substance which is normally a solid or liquid is a

7. Hydrocarbons are compound that contain

8. A definite shape and volume

9. Gold is an example of a(n)

10. Which pair of substances is miscible?

11. The formula CO represents one _____ of carbon monoxide.

12. A change in which the atoms or molecules in a substance stay the same

13. What is the mass of .75 mol of sulfur, which has a molar mass of 32 g/mol.

14. Atoms that have the same number of protons but different numbers of neutrons.

15. Who formulates the law of conservation of mass?

16. Which ONE of the following is a physical change?

17. The number written in front of a chemical symbol or formula

18. Describes a molecule containing carbon and hydrogen together (usually along with others)

19. What term is given to a reaction which transfers heat energy to the surroundings?

20. Permanent hardness of water is due to the presence of?

21. Which statement of an elements average atomic mass is correct

22. _____ is the amount that has to be paid to buy something.

23. Where are the non-metals located on the periodic table

24. A monomer is _____

25. Group 18 noble gases are inert because