Name ______Period ______
Chemical and Physical Properties Review Questions
1- Melting point is a ______property.
2- Saying a substance is shiny is describing a ______property.
3- Iron rusts in the presence of oxygen. This is an example of a ______property.
4- Chlorophyll is green. This is an example of a ______property.
5- Sulfur from burning coal reacts with oxygen from the air to form sulfur dioxide, a type of acid
rain. This is an example of a ______property.
6- The density of a substance describes one of its ______properties.
7- Since aluminum conducts electricity, this is an example of a ______property.
8- Since uranium is radioactive, this is an example of a ______property.
9- We can usually determine physical properties with ______.
10- Burning is an example of a ______property.
11- Melting is an example of a ______property.
12- Mercury is a liquid at room temperature. This is one of its ______properties.
13- Copper changes color when exposed to water. This is an example of a ______property.
14- An apple oxidizes and turns brown in air. This is an example of a ______property.
15- Nitrogen freezes at a very low temperature. That is why it is used to “burn” warts off of skin.
The freezing point of nitrogen is a ______property.
16- How many electrons are in the outer valence shell of sodium?
17- How many electrons does krypton have?
18- How many electrons are in the outer energy layer of krypton?
19- The color of krypton is an example of one of its ______properties.
20- How many valence electrons does chlorine have?
21- The reactivity of chlorine is an example of a ______property.
22- Chlorine has a very distinctive “swimming pool” odor. This is an example of one of chlorine’s
______properties.
23- Sodium and chlorine react to produce table salt. This is a ______property.
24- Iodine is often bonded to table salt to produce iodized salt. A new bond is formed. When a new chemical composition is created, this is a ______property.
25- Talc is a mineral that can be scratched by a fingernail. This is an example of a ______property.
26- Diamonds are colorless and sparkly. These are both ______properties.
27- Brunette hair turns blonde when exposed to hydrogen peroxide. This is a ______property.
28- What period does hydrogen belong to?
29- The Hindenberg was filled with hydrogen gas that exploded. This explosion is an example of a
_____ property of hydrogen.
30-The hydrogen gas inside the Hindenberg was colorless. This is an example of a _____ property.
31- Your height is one of your ______properties.
32- What is one vertical pattern of the periodic table?
33- What is one horizontal pattern on the periodic table?
34-What similarities do Lithium (Li) and Sodium (Na) have?
35- What are rows on a periodic table called? What are columns called? (2 points)
Circle the right answers.
1. ( Physical or Chemical ) properties describe matter.
2. ( Physical or Chemical ) properties of a substance can be easily observed.
3. One can use their five senses to determine the ( Physical or Chemical ) properties of a substance. 4. ( Physical or Chemical ) properties usually describe how a substance reacts.
Decide if each description is a physical or a chemical property.
5. Oxygen is odorless and colorless.
6. Copper turns green when exposed to the environment.
7. The piece of metal is shiny.
8. The density of water is 1.0 gram per cubic centimeter.
9. Diamonds are a very hard substance.
10. The tree is 8 meters high.
11. Sodium reacts very easily with other elements.
12. Copper conducts electricity.
13. Water is a liquid.
14. The mass of the NaCl (salt) sample is 30 grams.
15. H2O is nonflammable.
16. Alka-Seltzer tablet reacts with H2O to make a gas.
17. The color of the ball is red
18. Iron reacts with oxygen and forms rust
19. The boiling point of water is 100 degrees C
20. Baking Soda reacts with vinegar.
21. The gas is flammable.
22. Oxygen is a gas.
23. Argon is not very reactive.
24. The silver spoon tarnishes and turned dark.
25. The piece of metal is magnetic.
26. Diamonds sparkle.