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Questions and Answers
What is the basic structure of an atom?
What is the basic structure of an atom?
- A nucleus of electrons surrounded by a cloud of protons and neutrons
- A nucleus of protons and electrons surrounded by a cloud of neutrons
- A nucleus of protons and neutrons surrounded by a cloud of electrons (correct)
- A nucleus of neutrons and electrons surrounded by a cloud of protons
What defines the isotope of an element?
What defines the isotope of an element?
- The number of neutrons (correct)
- The number of protons
- The number of positrons
- The number of electrons
How are chemical elements distinguished from each other?
How are chemical elements distinguished from each other?
- By the number of neutrons in their atoms
- By the number of positrons in their atoms
- By the number of electrons in their atoms
- By the number of protons in their atoms (correct)
Why is it not possible to see atoms with conventional microscopes?
Why is it not possible to see atoms with conventional microscopes?
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Where is the majority of an atom's mass located?
Where is the majority of an atom's mass located?
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What is the basic structure of an atom?
What is the basic structure of an atom?
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How are chemical elements distinguished from each other?
How are chemical elements distinguished from each other?
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What defines the isotope of an element?
What defines the isotope of an element?
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Why is it not possible to see atoms with conventional microscopes?
Why is it not possible to see atoms with conventional microscopes?
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Where is the majority of an atom's mass located?
Where is the majority of an atom's mass located?
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