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Questions and Answers
Which perspective is NOT involved in the study of chemistry?
What are the two types of changes through which matter can be observed?
Which one of the following is NOT a physical property of matter?
What is the ratio of mass to volume called?
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What is the definition of matter?
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Which level of understanding in the study of chemistry involves the observation of matter at the atomic and molecular level?
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Which type of change in matter involves the formation of new substances with different properties?
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Which of the following is NOT a physical property of matter?
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What is the study of chemistry primarily concerned with?
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Which physical property of matter refers to its resistance to being scratched or dented?
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Study Notes
Introduction to Chemistry
- The study of chemistry is NOT concerned with the biological or psychological perspective.
Changes in Matter
- Matter can be observed to undergo two types of changes: physical changes and chemical changes.
- Physical changes involve a change in form or state, but the substance remains the same.
- Chemical changes involve the formation of new substances with different properties.
Physical Properties of Matter
- Color, odor, and hardness are examples of physical properties of matter.
- Hardness is a physical property that refers to a substance's resistance to being scratched or dented.
- Taste is NOT a physical property of matter.
Matter and Its Properties
- Matter is defined as anything that has mass and occupies space.
- The ratio of mass to volume is called density.
- Density is a physical property of matter.
Levels of Understanding in Chemistry
- The atomic and molecular level of understanding involves the observation of matter at the smallest scale.
- This level of understanding is concerned with the structure and composition of matter.
Chemical Changes
- Chemical changes involve the formation of new substances with different properties.
- This type of change is also known as a chemical reaction.
Focus of Chemistry
- The study of chemistry is primarily concerned with the composition, properties, and reactions of matter.
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Description
Test your knowledge of chemistry and its three perspectives: macroscopic, microscopic, and symbolic. Learn about the different types of matter and the changes it can undergo through physical and chemical processes.
