CHEMICAL PROPERTIES Chapter 3 3 IDENTIFYING CHEMICAL PROPERTIES
![CHEMICAL PROPERTIES Chapter 3 - 3 CHEMICAL PROPERTIES Chapter 3 - 3](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-1.jpg)
![IDENTIFYING CHEMICAL PROPERTIES • Chemical properties are the ability of substances to change into IDENTIFYING CHEMICAL PROPERTIES • Chemical properties are the ability of substances to change into](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-2.jpg)
![REACTIVITY & NONREACTIVITY • Reactivity is the ability of a substance to change into REACTIVITY & NONREACTIVITY • Reactivity is the ability of a substance to change into](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-3.jpg)
![COMPARING PROPERTIES • If the property is physical, you can observe that property without COMPARING PROPERTIES • If the property is physical, you can observe that property without](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-4.jpg)
![CHARACTERISTIC PROPERTIES • Characteristics that are the most useful in identifying substances are called CHARACTERISTIC PROPERTIES • Characteristics that are the most useful in identifying substances are called](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-5.jpg)
![CHEMICAL CHANGES & NEW SUBSTANCES • A chemical change happens when a substance changes CHEMICAL CHANGES & NEW SUBSTANCES • A chemical change happens when a substance changes](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-6.jpg)
![SIGNS OF CHEMICAL CHANGES: • Chemical changes often cause color changes, fizzing or foaming, SIGNS OF CHEMICAL CHANGES: • Chemical changes often cause color changes, fizzing or foaming,](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-7.jpg)
![EXAMPLES OF CHEMICAL CHANGES: • Soured milk smells bad because bacteria have formed new EXAMPLES OF CHEMICAL CHANGES: • Soured milk smells bad because bacteria have formed new](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-8.jpg)
![THE END • CHAPTER 3 - 3 THE END • CHAPTER 3 - 3](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-9.jpg)
- Slides: 9
![CHEMICAL PROPERTIES Chapter 3 3 CHEMICAL PROPERTIES Chapter 3 - 3](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-1.jpg)
CHEMICAL PROPERTIES Chapter 3 - 3
![IDENTIFYING CHEMICAL PROPERTIES Chemical properties are the ability of substances to change into IDENTIFYING CHEMICAL PROPERTIES • Chemical properties are the ability of substances to change into](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-2.jpg)
IDENTIFYING CHEMICAL PROPERTIES • Chemical properties are the ability of substances to change into entirely new substances. • The new substances have a different set of properties from the original substances.
![REACTIVITY NONREACTIVITY Reactivity is the ability of a substance to change into REACTIVITY & NONREACTIVITY • Reactivity is the ability of a substance to change into](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-3.jpg)
REACTIVITY & NONREACTIVITY • Reactivity is the ability of a substance to change into one or more substances. • Flammability, a type of reactivity, is the ability to burn. • Wood burns = Flammable • Smoke & ash don’t = nonflammable • Rusting is reactivity of iron to oxygen.
![COMPARING PROPERTIES If the property is physical you can observe that property without COMPARING PROPERTIES • If the property is physical, you can observe that property without](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-4.jpg)
COMPARING PROPERTIES • If the property is physical, you can observe that property without changing the identity. • Chemical properties are not easy to see until the change is taking place, like when wood is burning.
![CHARACTERISTIC PROPERTIES Characteristics that are the most useful in identifying substances are called CHARACTERISTIC PROPERTIES • Characteristics that are the most useful in identifying substances are called](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-5.jpg)
CHARACTERISTIC PROPERTIES • Characteristics that are the most useful in identifying substances are called characteristic properties. • Density and reactivity are two of these properties. • Scientists rely on these to identify and classify substances.
![CHEMICAL CHANGES NEW SUBSTANCES A chemical change happens when a substance changes CHEMICAL CHANGES & NEW SUBSTANCES • A chemical change happens when a substance changes](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-6.jpg)
CHEMICAL CHANGES & NEW SUBSTANCES • A chemical change happens when a substance changes into something new. • You can usually see a chemical change.
![SIGNS OF CHEMICAL CHANGES Chemical changes often cause color changes fizzing or foaming SIGNS OF CHEMICAL CHANGES: • Chemical changes often cause color changes, fizzing or foaming,](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-7.jpg)
SIGNS OF CHEMICAL CHANGES: • Chemical changes often cause color changes, fizzing or foaming, a temperature change, production of sound, light, or odor. • Chemical changes cannot be “undone” because the substance’s identity changes.
![EXAMPLES OF CHEMICAL CHANGES Soured milk smells bad because bacteria have formed new EXAMPLES OF CHEMICAL CHANGES: • Soured milk smells bad because bacteria have formed new](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-8.jpg)
EXAMPLES OF CHEMICAL CHANGES: • Soured milk smells bad because bacteria have formed new substances in the milk. • Statue of Liberty turned green because the copper reacts to the moist air. • Effervescent tablets bubble because the ingredients react with water. • Hot gases from a rocket form because hydrogen and oxygen join to make water.
![THE END CHAPTER 3 3 THE END • CHAPTER 3 - 3](https://slidetodoc.com/presentation_image_h/f1893aa8526a11a174272a577189b866/image-9.jpg)
THE END • CHAPTER 3 - 3
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