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Atomic Structure and Elements
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What particle has a negative charge?
electrons
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The particles that make up the atomic mass number are the ____
protons and neutrons
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Identify this element
Carbon
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How many neutrons does Iron have?
56 - 26 = 30 neutrons
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What does ionized mean?
it has a charge, either positive or negative
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How many neutrons would a hydrogen-3 have?
2 neutrons
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What charge does a proton have?
positive
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How do you find the number of neutrons in an atom?
subtract the atomic number from the atomic mass = number of neutrons
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What are the 3 subatomic particles of an atom?
protons, neutrons, and electrons
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What happens to an atom if it loses electron?
It becomes positive
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Isotopes are created when the number of what particles are different?
neutron
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What can the atomic number always tell you about an atom?
the number of protons
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