Glossary of Chemistry chapter 1 notes
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- What is matter?
- Matter is anything that occupies space and has mass
- What is Mass?
- Mass is the measurment of the amount of matter in an object
- What is Weight?
- Weight is the amount of gravitational force acting on an object
- How do you determine the mass of an object?
- Weigh it
- What is energy?
- Energy is the capacity for doing work
- What are examples of electricity?
- What is the definition of a physical property?
- Characteristics that can be observed without changing it.
- What are examples of physical properties?
- Color, Size, Liquid vs. Solid
- What is the definition of a Chemical Property?
- Changing a characteristic of matter into something new
- What are examples of chemical properties?
- The ability of paper to burn, or the inability for glass to burn
- What is a physical change?
- Changes matter undergoes but does not change the composition
- What is a chemical change?
- Changes matter undergoes that involves changes in the composition
- What is the Scientific Model?
- Explanation for observed behavior in nature
- What is the Model of Matter?
- explains the observed properties of gases
- What is matter composed of?
- Small particles
- What are the small particles called that make up matter?
- What is the definiton of molecules?
- the smallest unit of a pure substance that has it's properties.
- What is the definition of an atom?
- the limit of chemical subdivision
- What is the difference between monoatomic and polyatomic?
- Monoatomic is when there is only one atom
Polyatomic is when there are 2 or more atoms
- What is the difference between Homoatomic and Heteroatomic?
- Homoatomic is when there is only one kind of atom
Heteroatomic is when there is two or more kinds of atoms
- What is and element?
- An element is a pure substance with homoatomic molecules
- What is a compound?
- A compound is a pure substance with heteroatomic molecules
- What is homogeneous matter?
- Has the same physical and chemical properties throughout
- What is heterogeneous matter?
- Does not look alike or have the same properties throughout
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