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Questions and Answers
What distinguishes one chemical element from another?
What distinguishes one chemical element from another?
- The number of electrons in their atoms
- The size of their atoms
- The number of neutrons in their atoms
- The number of protons in their atoms (correct)
Why is it not possible to accurately predict the behavior of atoms using classical physics?
Why is it not possible to accurately predict the behavior of atoms using classical physics?
- Due to the number of electrons
- Due to the number of protons
- Due to quantum effects (correct)
- Due to the size of the atom
What defines the isotope of an element?
What defines the isotope of an element?
- The number of protons
- The number of neutrons (correct)
- The size of the atom
- The number of electrons
Where is more than 99.94% of an atom's mass located?
Where is more than 99.94% of an atom's mass located?
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What are the electric charges of a proton and an electron, respectively?
What are the electric charges of a proton and an electron, respectively?
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