chapter 2

  • 1. The smallest particle on earth
  • 2. positively charged particles (+)
  • 3. Carry no charge at all
  • 4. The center of the atom
  • 5. Negatively charged particles; located in the space surrounding the nucleus
  • 6. ON of several forms of a single element, which contains the same number of protons but different numbers of neutrons
  • 7. Pure substance that consists entirely of one type of atom.
  • a. Protons
  • b. Nucleus
  • c. Element
  • d. Atoms
  • e. Isotope
  • f. Neutrons
  • g. Electrons
Answer Key
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chapter 2 (Answer Key)

  • d 1. The smallest particle on earth
  • a 2. positively charged particles (+)
  • f 3. Carry no charge at all
  • b 4. The center of the atom
  • g 5. Negatively charged particles; located in the space surrounding the nucleus
  • e 6. ON of several forms of a single element, which contains the same number of protons but different numbers of neutrons
  • c 7. Pure substance that consists entirely of one type of atom.
  • a. Protons
  • b. Nucleus
  • c. Element
  • d. Atoms
  • e. Isotope
  • f. Neutrons
  • g. Electrons

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