CHEM.SCI.5.B

Predict the properties of elements in chemical families, including alkali metals, alkaline earth metals, halogens, noble gases, and transition metals, based on valence electrons patterns using the Periodic Table.

Chemistry · Texas Essential Knowledge and Skills (TEKS) · TEKS 2022

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Vocabulary
propertieselementschemical familiesalkali metalsalkaline earth metalshalogensnoble gasestransition metalsvalence electronspatternsPeriodic Table
Skills
  • predict (properties of elements in chemical families) #dok2
  • identify (chemical families using the Periodic Table) #dok1
  • analyze (valence electron patterns) #dok2
  • compare (properties among alkali metals, alkaline earth metals, halogens, noble gases, and transition metals) #dok2
  • use (Periodic Table to determine properties and patterns) #dok1
Learning Targets
  • I can identify the location of chemical families on the Periodic Table. #dok1
  • I can use the Periodic Table to find the number of valence electrons in main group elements. #dok1
  • I can predict the properties of an element based on its position in a chemical family. #dok2
  • I can analyze valence electron patterns to differentiate chemical families. #dok2
  • I can compare the reactivity and physical properties of alkali metals, alkaline earth metals, halogens, noble gases, and transition metals using the Periodic Table. #dok2
  • I can justify predictions of element properties by referencing valence electron patterns and group trends. #dok3
Big Ideas
  • The Periodic Table organizes elements into families with similar chemical and physical properties based on valence electron patterns.
  • The arrangement of the Periodic Table allows us to predict the properties and behaviors of elements in different chemical families.
Essential Questions
  • How do valence electron patterns help predict the chemical properties of elements?
  • Why are elements within the same chemical family similar in their reactivity and behavior?
  • How does the arrangement of the Periodic Table facilitate the prediction of element properties?
  • What trends can be observed across chemical families such as alkali metals, halogens, and noble gases?
  • How can we use the Periodic Table to anticipate the behavior of an unfamiliar element?