Questions and Answers
What is the primary factor that distinguishes one chemical element from another?
Number of protons in their atoms
What is the term used for atoms with the same number of protons but a different number of neutrons?
Isotopes
What is the primary reason humans cannot see atoms with conventional microscopes?
Size of atoms compared to wavelength of visible light
What constitutes more than 99.94% of an atom's mass?
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If an atom has more electrons than protons, what kind of ion is it called?
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What is the primary component of an atom's nucleus?
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What causes electrons to be electromagnetically-bound to the nucleus of an atom?
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What kind of ion is formed when an atom has more electrons than protons?
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Why is it not possible to accurately predict the behavior of atoms using classical physics?
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What distinguishes one chemical element from another?
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