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Questions and Answers
What are pure substances made up of?
What are pure substances made up of?
- A relatively few basic substances (correct)
- Only one basic substance
- No basic substances at all
- Many different basic substances
What is formed when elements are combined together?
What is formed when elements are combined together?
- A compound (correct)
- A mixture
- A solution
- A suspension
What are the basic substances that make up pure substances?
What are the basic substances that make up pure substances?
- Mixtures
- Molecules
- Compounds
- Elements (correct)
What is the characteristic of pure substances in terms of their composition?
What is the characteristic of pure substances in terms of their composition?
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What can elements form when they are combined together?
What can elements form when they are combined together?
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What part of the atom contains nearly all the weight?
What part of the atom contains nearly all the weight?
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Why can electrons be easily removed from their orbit?
Why can electrons be easily removed from their orbit?
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What is the relation between the mass of neutrons and protons?
What is the relation between the mass of neutrons and protons?
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Where are electrons typically found in an atom?
Where are electrons typically found in an atom?
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What is the main difference between the mass of electrons and protons/neutrons?
What is the main difference between the mass of electrons and protons/neutrons?
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