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img  CLOSE REVIEW

Unit 2: Subatomic Particles and Atomic Number

This review will guide you through an adaptive, research-backed study session. As you answer questions, we will actively assess your current understanding of the material. Questions will continue to be drawn until you have demonstrated mastery of each learning objective.

Reviews are graded based on completion. You will receive full credit for achieving 100% mastery or answering all questions.

Learning objectives for this review:

  • Describe the structure of the atom in terms of the number of protons, neutrons, and electrons given mass number and chemical identity or atomic number.
  • Explain the relationship between atomic number, chemical symbols, and element identity.
  • Identify the correct number of protons, neutrons, and electrons for given elements.