Compounds, Elements, and Atoms TEST
  • 1. Protons have a _______________ charge.
A) neutral
B) negative
C) positive
  • 2. Which element on the Periodic Table of Elements is 'out of place' or appears to not be with other elements that share similar properties?
A) Hydrogen
B) Carbon
C) Gold
D) Aluminum
  • 3. Melting is an example (changing state or form)
A) chemical property
B) chemical change
C) physical change
D) physical property
  • 4. The ability to burn is an example
A) physical change
B) chemical change
C) chemical property
D) physical property
  • 5. Rusting iron is an example
A) chemical change
B) physical change
C) physical property
D) chemical property
  • 6. When a substance goes from a liquid to a gas, this is happening...
A) solidifying
B) evaporating
C) burning
D) rusting
  • 7. The __________ is an example of a chemical change.
A) salting of food
B) burning of paper
C) freezing of water
D) melting of chocolate
  • 8. Which of the following is an example of a chemical change?
A) melting
B) sublimination
C) burning
D) evaporating
  • 9. Which of these indicates that a chemical change has taken place?
A) dissolving of a solid
B) release of heat energy
C) change in shape
D) change from a liquid to a gas
  • 10. The process of a liquid changing into a gas is called __________.
A) condensation
B) sublimination
C) vaporization
D) deposition
  • 11. The process of a gas changing to a liquid is called ___________.
A) deposition
B) vaporization
C) sublimination
D) condensation
  • 12. What is all matter made up of?
A) atoms
B) cells
C) carbon
D) metal
  • 13. Which of these is not part of an atom?
A) neutron
B) element
C) proton
D) electron
  • 14. Food spoiling or milk souring are examples of...
A) chemical change
B) chemical property
C) physical change
D) physical property
  • 15. When a piece of paper is crumbled, this is a change of
A) shape
B) density
C) state
D) form
  • 16. Which statement is true about elements?
A) Elements are made from mixtures of molecules.
B) There are only five known elements.
C) All elements are metallic.
D) Each element contains only one kind of atom.
  • 17. Angie has a substance that is made up of only one type of atom. What is her substance called?
A) a compound
B) an element
C) matter with no mass
D) an alloy
  • 18. What is NOT a possible sign of a chemical change?
A) heat given off
B) color change
C) light given off
D) a change of state
  • 19. True or false. Atoms have a nucleus.
A) True
B) False
  • 20. Leaves changing color is an example
A) physical change
B) physical property
C) chemical property
D) chemical change
  • 21. A chemical change ____________.
A) cannot be reversed easily
B) never will change state
C) always can be reversed
D) never can be reversed
  • 22. True or false. Inside the nucleus are protons and electrons.
A) True
B) False
  • 23. True or false. The electrons race around outside of the nucleus.
A) False
B) True
  • 24. Electrons have a _______________ charge.
A) negative
B) neutral
C) positive
  • 25. Elements that are in the same column on the periodic table are said to be in the same _____________________.
A) row
B) team
C) family
D) metal
  • 26. Neutrons have a _______________ charge.
A) neutral
B) negative
C) positive
  • 27. Hydrogen (H) is an example of __________________.
A) a mixture
B) a proton
C) a compound
D) an element
  • 28. Oxygen (O) is an example of _______________.
A) a proton
B) an element
C) a mixture
D) a compound
  • 29. Water (H2O) is an example of ___________________.
A) an atom
B) a proton
C) a compound
D) an element
  • 30. The Periodic Table of Elements can be divided into four main groups: Metals, Nonmetals, Metalloids, and _______________________.
A) elements
B) molecules
C) The Noble Gases
D) liquids
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