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Questions and Answers
What is the core of an atom made of?
What is the core of an atom made of?
- Neutrons and electrons
- Protons and electrons
- Protons, neutrons, and electrons
- Protons and neutrons (correct)
What is the number of protons in an atom called?
What is the number of protons in an atom called?
- Atomic number (correct)
- Electron number
- Atomic mass
- Neutron number
What are extremely small subatomic particles that orbit the nucleus in an electron cloud?
What are extremely small subatomic particles that orbit the nucleus in an electron cloud?
- Ions
- Protons
- Electrons (correct)
- Neutrons
Atoms can gain or lose electrons, or share electrons with other atoms in order to form what?
Atoms can gain or lose electrons, or share electrons with other atoms in order to form what?
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What subatomic particles are located in the nucleus with protons and have no charge?
What subatomic particles are located in the nucleus with protons and have no charge?
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What is the smallest unit of matter that still holds the properties of an element?
What is the smallest unit of matter that still holds the properties of an element?
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How many elements occur naturally?
How many elements occur naturally?
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What is the approximate size of an atom in meters?
What is the approximate size of an atom in meters?
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Which subatomic particle has a positive charge?
Which subatomic particle has a positive charge?
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What unit do scientists use to measure the mass of subatomic particles?
What unit do scientists use to measure the mass of subatomic particles?
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