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Questions and Answers
Which part of an atom contains the majority of its mass?
Which part of an atom contains the majority of its mass?
- Neutrons
- Electrons
- Nucleus (correct)
- Protons
What distinguishes one chemical element from another?
What distinguishes one chemical element from another?
- The number of neutrons
- The size of the atom
- The number of electrons
- The number of protons (correct)
What defines the isotope of an element?
What defines the isotope of an element?
- The number of protons
- The number of electrons
- The size of the atom
- The number of neutrons (correct)
What is the approximate size of an atom?
What is the approximate size of an atom?
Why can't humans see atoms with conventional microscopes?
Why can't humans see atoms with conventional microscopes?
Flashcards
Atomic mass location
Atomic mass location
The nucleus of an atom contains most of its mass.
Element identity
Element identity
The number of protons determines an element.
Isotope definition
Isotope definition
Isotopes have the same number of protons but different numbers of neutrons.
Atomic size
Atomic size
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Visibility of atoms
Visibility of atoms
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