What are the definitions and examples of chemical and physical properties as well as the types of changes?
Understand the Problem
The question appears to focus on the definitions and examples of chemical and physical properties, as well as changes related to substances. It aims to clarify the distinctions between physical properties, chemical properties, and types of changes (physical and chemical).
Answer
Physical: hardness, density; Chemical: reactivity. Physical change: freezing, Chemical change: burning magnesium.
The final answer is: Physical properties include characteristics like hardness, density, and melting point, while chemical properties describe the substance's ability to react, like magnesium burning to form magnesium oxide. Physical changes involve changes without new substances, such as freezing, while chemical changes involve forming new substances.
Answer for screen readers
The final answer is: Physical properties include characteristics like hardness, density, and melting point, while chemical properties describe the substance's ability to react, like magnesium burning to form magnesium oxide. Physical changes involve changes without new substances, such as freezing, while chemical changes involve forming new substances.
More Information
Understanding the distinction between physical and chemical properties helps in identifying the nature of a substance and predicting its behavior during reactions and changes.
Tips
A common mistake is confusing physical properties with physical changes. Remember, properties describe the characteristics of a substance, while changes describe the process it undergoes.
Sources
- Physical and Chemical Properties of Matter - Chemistry LibreTexts - chem.libretexts.org
- Difference Between Chemical and Physical Properties in Tabular Form - Byjus - byjus.com
- Physical and Chemical Properties | Chemistry for Majors - Lumen Learning - courses.lumenlearning.com
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