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Questions and Answers
Which of the following best describes an element?
Which of the following best describes an element?
- A substance that is chemically linked to other substances
- A substance that can be broken down into simpler substances
- A substance that cannot be broken down into simpler substances (correct)
- A substance that is artificially produced
What is the atomic number of an atom?
What is the atomic number of an atom?
- The number of neutrons in an atom
- The total number of particles in an atom
- The number of protons in an atom (correct)
- The number of electrons in an atom
What is the mass of an electron?
What is the mass of an electron?
- 1 atomic mass unit (1u)
- 1/1840 atomic mass unit (1/1840u) (correct)
- Varies depending on the atom
- Electrically neutral
Which of the following correctly describes a compound?
Which of the following correctly describes a compound?
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Which particles form the central nucleus of an atom?
Which particles form the central nucleus of an atom?
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Which of the following statements about atoms is correct?
Which of the following statements about atoms is correct?
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What is the maximum number of electrons that can be present in the N shell of an atom?
What is the maximum number of electrons that can be present in the N shell of an atom?
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Which of the following particles has a positive electrical charge?
Which of the following particles has a positive electrical charge?
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Which of the following best describes an element?
Which of the following best describes an element?
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What determines the chemical properties of an atom?
What determines the chemical properties of an atom?
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