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Questions and Answers
Which subatomic particles make up an atom?
Which subatomic particles make up an atom?
- Protons and electrons
- Protons and neutrons
- Neutrons and electrons
- Protons, neutrons, and electrons (correct)
What forms the nucleus of an atom?
What forms the nucleus of an atom?
- Neutrons and electrons
- Protons and neutrons (correct)
- Only protons
- Protons and electrons
What is an element?
What is an element?
- A substance that contains multiple types of atoms
- A substance that cannot be decomposed into simpler substances by ordinary chemical processes (correct)
- A substance that has a high atomic mass
- A substance that can be decomposed into simpler substances by ordinary chemical processes
What defines the identity of an element?
What defines the identity of an element?
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What is the atomic mass of an atom?
What is the atomic mass of an atom?
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