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What is the fundamental reason why different substances have different properties?
What is the fundamental reason why different substances have different properties?
- They have different names and labels.
- They have different types of atoms or different numbers of the same atoms. (correct)
- They have different sizes and shapes.
- They have different colors and textures.
What is the definition of a chemical property?
What is the definition of a chemical property?
- A characteristic of a substance that is related to its weight and density.
- A characteristic of a substance that can be observed with the naked eye.
- A characteristic of a substance that is related to its physical appearance.
- A characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction. (correct)
What is a chemical reaction?
What is a chemical reaction?
- A process in which substances change their physical appearance.
- A process in which substances change their temperature and pressure.
- A process in which atoms rearrange to form new substances. (correct)
- A process in which substances change their weight and density.
What does the term 'rearrange' mean in the context of a chemical reaction?
What does the term 'rearrange' mean in the context of a chemical reaction?
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What happens during a chemical reaction?
What happens during a chemical reaction?
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In a chemical reaction, what happens to the atoms?
In a chemical reaction, what happens to the atoms?
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Why do different substances have different properties?
Why do different substances have different properties?
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What is a substance?
What is a substance?
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What is an example of a chemical property?
What is an example of a chemical property?
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When does a chemical reaction occur?
When does a chemical reaction occur?
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