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Atoms loading

The smallest unit of a chemical element. Atoms are composed of protons, neutrons, and electrons

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Activity
    The Atomic Structure

    The Atomic Structure

    by Miss //at grade

    This will teach you the structure of an atom, and will get you into a great amount of learning, in chemistry. By the end of it, will you be able to answer this question: 'What is a proton?'

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