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Groups with Metalloids

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.
  • Real World Application
    Colder than Ice

    Colder than Ice

    by CK-12 //basic

    Learn about the properties of nitrogen and how it can be used in the kitchen to make foods like ice cream.

  • Real World Application
    Iron to the Rescue

    Iron to the Rescue

    by CK-12 //basic

    Learn about a teen scientist who invented a food storage bag that uses iron to keep food from spoiling.

  • Real World Application
    Poison Water

    Poison Water

    by CK-12 //basic

    Learn how naturally occurring arsenic in drinking water in South Asia has led to the largest mass poisoning in human history.

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