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Atomic Structure and Elements

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