Notes on chapter 2.3 (Characteristic Properties)

1. Talia Marciano

2. 2.3- Chemical
Properties
Talia Marciano

3. Talia Marciano

4. Chemical Properties
• Chemical properties can be noticed only
when the substances in a sample of matter
are changing into new and different
substances.

5. • Chemical properties can be noticed only
when the substances in a sample of matter
are changing into new and different
substances.

6. Chemical Properties
• Chemical properties can be noticed only
when the substances in a sample of matter
are changing into new and different
substances.

7. • Flammability is a material’s ability to burn in
the presence of oxygen.
• Gasoline is the fuel burned in most
automobiles.
• Materials that burn can be used as fuel.

8. Flammability
• Flammability is a material’s ability to burn in
the presence of oxygen.
• Gasoline is the fuel burned in most
automobiles.
• Materials that burn can be used as fuel.

9. • Flammability is a material’s ability to burn in
the presence of oxygen.
• Gasoline is the fuel burned in most
automobiles.
• Materials that burn can be used as fuel.

10. • The property that describes how readily a
substance combines chemically with other
substances is reactivity.
• Nitrogen + Oxygen = Main gases in air.

11. Reactivity
• The property that describes how readily a
substance combines chemically with other
substances is reactivity.
• Nitrogen + Oxygen = Main gases in air.

12. • The property that describes how readily a
substance combines chemically with other
substances is reactivity.
• Nitrogen + Oxygen = Main gases in air.

14. Trivia Time!

17. • Under what conditions can chemical
properties be observed?

20. • How do chemical changes differ from
physical changes?

23. •What observations might
indicate that a chemical
change has occurred?

25. • if a penny rusts, will that rust
affect the strength of the
penny?

27. • if a penny rusts, will that rust
affect the strength of the
penny?

29. • What is the fuel burned in most
automobiles?

32. • THANKS FOR WATCHING! :)