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Questions and Answers
Which particle is responsible for the majority of an atom's mass?
Which particle is responsible for the majority of an atom's mass?
- Electrons
- Protons
- Neutrons (correct)
- Photons
What distinguishes one chemical element from another?
What distinguishes one chemical element from another?
- The number of protons (correct)
- The number of photons
- The number of electrons
- The number of neutrons
What is the approximate size of an atom?
What is the approximate size of an atom?
- 1 picometer
- 100 picometers (correct)
- 10 picometers
- 1000 picometers
What determines the isotope of an element?
What determines the isotope of an element?
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Why can't humans see atoms with conventional microscopes?
Why can't humans see atoms with conventional microscopes?
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