HS-PS1-1 - Performance Expectation
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
High School · Next Generation Science Standards · NGSS Lead States 2013
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
periodic tablemodelrelative propertieselementspatternselectronsoutermost energy levelatoms
Skills
- use (periodic table as a model) #dok2
- predict (relative properties of elements) #dok3
- analyze (patterns of electrons in the outermost energy level) #dok2
- explain (relationships between electron arrangement and element properties) #dok3
Learning Targets
- I can identify elements on the periodic table. #dok1
- I can recognize the arrangement of electrons in the outermost energy level of atoms. #dok1
- I can use the periodic table to model atomic structure. #dok2
- I can analyze electron patterns to classify elements. #dok2
- I can predict the chemical properties of elements based on their electrons’ outermost energy levels. #dok3
- I can explain how the periodic table models the relationship between electron arrangement and element properties. #dok3
Big Ideas
- The periodic table is a powerful model for predicting the properties of elements based on recurring patterns of electrons.
- The arrangement of electrons, especially in the outermost energy level, determines the chemical properties of an element.
Essential Questions
- How does the periodic table help scientists predict the properties of elements?
- What patterns can be observed when examining electron arrangements on the periodic table?
- Why is the outermost energy level of electrons significant in determining an element’s properties?
- How can models, like the periodic table, help us understand the behavior of atoms and elements?
- In what ways do elements with similar outer electron arrangements behave alike or differently?