9-10 Chemistry
  • 9-10 Chemistry
  • Acids & Bases
    • Course: Acids & Bases
    • Cmap: Acids & Bases
    • Glos: Acids & Alkalis
    • EXPERIMENTS >
      • Expt: Baking Soda & Vinegar
    • RETRIEVAL PRACTICE >
      • Gap 1: acid & bases
      • Gap 2: acid & bases
      • Gap 3: acid & bases
      • RP 1: Acids & Bases
      • RP 2: acid & alkali
    • SIMULATION >
      • Sim: Acid/Base Solutions >
        • Vid: pH from mol/L
      • Sim: pH Scale Part 1
      • Sim: pH Scale Part 2
    • VIDEO >
      • Vid: Acids & Bases Introduction
      • Vid: Hydrogen Ions & Acidity
      • Vids: Moles Calculations
      • Vid: acid + alkali
      • Vid: ionic equation
      • Vid: acid + insoluble base
  • Alkanoic Acids
    • COURSE >
      • AA A1 Homologous Series
      • AA A2 Properties
      • AA A3 Vinegar Production
      • AA A4 Molarity
      • AA A5 Titrations
    • VIDEO >
      • Vid 1: Alkanoic Acids Formula
      • Vid2: Alkanoic Acids
      • Vid: Vinegar & Baking Powder
  • Alkanols
    • Cmap: Alkanols
    • Glos: Alkanols
    • Alkanols: Presentation Activity
    • RP >
      • Memory: Alkanols
      • CW: Alkanols A
      • CW: Alkanols B
      • Gap: Methanol
    • VIDEOS >
      • Vid: Alcohols
      • Vid: Alcohol Properties
      • Vid: Alcohols Naming
      • Vid: Physical properties of alcohols and preparation of alkoxides
      • Vid: Properties & Reactions
      • Vid: Oxidation of Methanol
  • Carbohydrates
    • Cmap: Carbohydrates
    • Glos: Carbohydrates
    • Info: Honey
    • RETRIEVAL PRACTICE >
      • CW01: Carbohydrates
      • CW02: Carbohydrates
      • Gap01: Carbohydrates Intro
    • VIDEOS >
      • Vid: Macromolecules Intro
      • Vid: Making Macromolecules
      • Vid: Monosaccharides
      • Vid: Glucose a Monosaccharide
      • Vid: Disaccharides and Polysaccharides
  • Chemistry Basics
    • Cmap: Chem Basics
    • Glos: Chemistry Basics
    • Info: Periodic Table
    • RETRIEVAL PRACTICE >
      • CW: Basic Chemistry Concepts
      • RP: Balancing Equations 1
      • RP: Balancing Equations 2
    • SIMULATION >
      • Sim: Build an Atom
      • Sim: Balancing Equations 1
      • Sim: Balancing Equations 2
      • Sim: 1 Introduction Ionic & Covalent Bonds
      • Sim: 2 Ionic & Covalent Bonds
      • Sim: Chemical Reactions
    • VIDEOS >
      • Vid: Periodic Videos
      • Vid: valence electrons
      • Vid: Chemical Bonds
      • Vid: Ions
  • Hydrocarbons
    • Cmap: Hydrocarbons
    • Glos: Hydrocarbons

els724.com > 9-10 Chemistry >  Chemistry Basics > Vid: Valence Electrons and Lewis Dot Structure of Strontium

Chemistry Basics
Video
Valence Electrons and Lewis Dot Structure of Strontium



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  • 9-10 Chemistry
  • Acids & Bases
    • Course: Acids & Bases
    • Cmap: Acids & Bases
    • Glos: Acids & Alkalis
    • EXPERIMENTS >
      • Expt: Baking Soda & Vinegar
    • RETRIEVAL PRACTICE >
      • Gap 1: acid & bases
      • Gap 2: acid & bases
      • Gap 3: acid & bases
      • RP 1: Acids & Bases
      • RP 2: acid & alkali
    • SIMULATION >
      • Sim: Acid/Base Solutions >
        • Vid: pH from mol/L
      • Sim: pH Scale Part 1
      • Sim: pH Scale Part 2
    • VIDEO >
      • Vid: Acids & Bases Introduction
      • Vid: Hydrogen Ions & Acidity
      • Vids: Moles Calculations
      • Vid: acid + alkali
      • Vid: ionic equation
      • Vid: acid + insoluble base
  • Alkanoic Acids
    • COURSE >
      • AA A1 Homologous Series
      • AA A2 Properties
      • AA A3 Vinegar Production
      • AA A4 Molarity
      • AA A5 Titrations
    • VIDEO >
      • Vid 1: Alkanoic Acids Formula
      • Vid2: Alkanoic Acids
      • Vid: Vinegar & Baking Powder
  • Alkanols
    • Cmap: Alkanols
    • Glos: Alkanols
    • Alkanols: Presentation Activity
    • RP >
      • Memory: Alkanols
      • CW: Alkanols A
      • CW: Alkanols B
      • Gap: Methanol
    • VIDEOS >
      • Vid: Alcohols
      • Vid: Alcohol Properties
      • Vid: Alcohols Naming
      • Vid: Physical properties of alcohols and preparation of alkoxides
      • Vid: Properties & Reactions
      • Vid: Oxidation of Methanol
  • Carbohydrates
    • Cmap: Carbohydrates
    • Glos: Carbohydrates
    • Info: Honey
    • RETRIEVAL PRACTICE >
      • CW01: Carbohydrates
      • CW02: Carbohydrates
      • Gap01: Carbohydrates Intro
    • VIDEOS >
      • Vid: Macromolecules Intro
      • Vid: Making Macromolecules
      • Vid: Monosaccharides
      • Vid: Glucose a Monosaccharide
      • Vid: Disaccharides and Polysaccharides
  • Chemistry Basics
    • Cmap: Chem Basics
    • Glos: Chemistry Basics
    • Info: Periodic Table
    • RETRIEVAL PRACTICE >
      • CW: Basic Chemistry Concepts
      • RP: Balancing Equations 1
      • RP: Balancing Equations 2
    • SIMULATION >
      • Sim: Build an Atom
      • Sim: Balancing Equations 1
      • Sim: Balancing Equations 2
      • Sim: 1 Introduction Ionic & Covalent Bonds
      • Sim: 2 Ionic & Covalent Bonds
      • Sim: Chemical Reactions
    • VIDEOS >
      • Vid: Periodic Videos
      • Vid: valence electrons
      • Vid: Chemical Bonds
      • Vid: Ions
  • Hydrocarbons
    • Cmap: Hydrocarbons
    • Glos: Hydrocarbons