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


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