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Questions and Answers
What distinguishes chemical elements from each other?
What distinguishes chemical elements from each other?
- The number of electrons in their atoms
- The size of their atoms
- The number of protons in their atoms (correct)
- The number of neutrons in their atoms
What is the only atom that has no neutron?
What is the only atom that has no neutron?
- Tritium 3H
- Helium 4He
- Protium 1H (correct)
- Deuterium 2H
What are atoms with the same number of protons but a different number of neutrons called?
What are atoms with the same number of protons but a different number of neutrons called?
- Isobars
- Isomers
- Ions
- Isotopes (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?
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What is the approximate width of an atom?
What is the approximate width of an atom?
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