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Chemistry PART 1 <ul><li>UNDERSTANDING   </li></ul><ul><li>THE CONCEPT   </li></ul><ul><li>OF </li></ul><ul><li>COVALENT B...
QUICK QUIZZZZZ…. <ul><li>Only covalent compounds are called molecules. </li></ul><ul><li>TRUE or FALSE? </li></ul>www.scie...
BONDING IN MOLECULES Task What is bonding? What are Valence Electrons? Define the term Covalent. What is Covalent Bonding?...
What is Bonding <ul><li>Bonding is the linking of atoms between a metal and non metal and or between two non-metals </li><...
<ul><li>What is Covalent Bonding? </li></ul><ul><li>A covalent bond is a strong bond between two non-metal  atoms .  </li>...
Objective <ul><li>To explain that a covalent bond arises from a shared pair of electrons   </li></ul>www.sciencetutors.zoo...
Concept Of Valence Electrons <ul><li>The electrons in the outermost shell are the valence electrons  </li></ul><ul><li>The...
 
VALENCE ELECTRONS AND STABILITY <ul><li>Many elements are stable when they contain eight electrons in their valence shell....
Calculating Valence Electrons Complete the table below:  What are the symbols and valence Electrons of the following eleme...
OCTECTOF VALENCE ELECTRON <ul><li>What is the symbol of Fluorine? </li></ul><ul><li>What is the atomic number of fluorine?...
OCTECTOF VALENCE ELECTRON <ul><li>What is the symbol of Fluorine? </li></ul><ul><li>What is the atomic number of fluorine?...
QUICK QUIZZZZZZZ… <ul><li>Explain how a pair of oxygen atoms can form an O2 molecule. </li></ul><ul><li>What is the total ...
Answers To Quick Quizzzzz… <ul><li>Each atom of oxygen in a covalent bond has a total of eight valence electrons by sharin...
<ul><li>Covalent means sharing  </li></ul><ul><li>Complete the table below using your Periodic Table. Write down examples ...
Facts About Covalent Bonding <ul><li>When non-metals react with non-metals they share electrons and form a covalent bond. ...
Facts About Covalent Bonding <ul><li>When non-metals react with non-metals they share electrons and form a covalent bond. ...
Facts About Covalent Bonding <ul><li>When non-metals react with non-metals they share electrons and form a covalent bond. ...
<ul><li>What is Covalent Bonding? </li></ul><ul><li>A covalent bond is a form of chemical bonding that is characterized by...
COVALENT BONDING <ul><li>To introduce covalent bonding as the strong bonding between atoms in molecules   </li></ul><ul><l...
COVALENT BONDING <ul><li>To introduce covalent bonding as the strong bonding between atoms in molecules   </li></ul><ul><l...
 
 
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BONDING IN MOLECULES

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Transcript of "BONDING IN MOLECULES"

  1. 1. Chemistry PART 1 <ul><li>UNDERSTANDING </li></ul><ul><li>THE CONCEPT </li></ul><ul><li>OF </li></ul><ul><li>COVALENT BONDING </li></ul>www.sciencetutors.zoomshare.com
  2. 2. QUICK QUIZZZZZ…. <ul><li>Only covalent compounds are called molecules. </li></ul><ul><li>TRUE or FALSE? </li></ul>www.sciencetutors.zoomshare.com
  3. 3. BONDING IN MOLECULES Task What is bonding? What are Valence Electrons? Define the term Covalent. What is Covalent Bonding? www.sciencetutors.zoomshare.com
  4. 4. What is Bonding <ul><li>Bonding is the linking of atoms between a metal and non metal and or between two non-metals </li></ul>www.sciencetutors.zoomshare.com
  5. 5. <ul><li>What is Covalent Bonding? </li></ul><ul><li>A covalent bond is a strong bond between two non-metal atoms . </li></ul>www.sciencetutors.zoomshare.com
  6. 6. Objective <ul><li>To explain that a covalent bond arises from a shared pair of electrons </li></ul>www.sciencetutors.zoomshare.com
  7. 7. Concept Of Valence Electrons <ul><li>The electrons in the outermost shell are the valence electrons </li></ul><ul><li>These are electrons on an atom that can be gained or lost in a chemical reaction. </li></ul>www.sciencetutors.zoomshare.com
  8. 9. VALENCE ELECTRONS AND STABILITY <ul><li>Many elements are stable when they contain eight electrons in their valence shell. </li></ul>www.sciencetutors.zoomshare.com Nitrogen Boron Carbon Chlorine Sodium Potassium Calcium Valence electron Electron Configuration Symbol Elements
  9. 10. Calculating Valence Electrons Complete the table below: What are the symbols and valence Electrons of the following elements? Calcium Carbon Oxygen Potassium Chlorine Aluminium Magnesium Sodium
  10. 11. OCTECTOF VALENCE ELECTRON <ul><li>What is the symbol of Fluorine? </li></ul><ul><li>What is the atomic number of fluorine? </li></ul><ul><li>What is the electron configuration of fluorine? </li></ul><ul><li>Two fluorine atoms, for example, can form a stable F2 molecule in which each atom has an octet of valence electrons by sharing a pair of electrons. </li></ul>
  11. 12. OCTECTOF VALENCE ELECTRON <ul><li>What is the symbol of Fluorine? </li></ul><ul><li>What is the atomic number of fluorine? </li></ul><ul><li>What is the electron configuration of fluorine? </li></ul><ul><li>ANSWERS </li></ul><ul><li>Fluorine symbol (F) </li></ul><ul><li>Atomic number of fluorine is 9 </li></ul><ul><li>Electron configuration is 2, 7 </li></ul>
  12. 13. QUICK QUIZZZZZZZ… <ul><li>Explain how a pair of oxygen atoms can form an O2 molecule. </li></ul><ul><li>What is the total valence electron of each atom of oxygen in a covalent bond? </li></ul>
  13. 14. Answers To Quick Quizzzzz… <ul><li>Each atom of oxygen in a covalent bond has a total of eight valence electrons by sharing two pairs of electrons. </li></ul>www.sciencetutors.zoomshare.com
  14. 15. <ul><li>Covalent means sharing </li></ul><ul><li>Complete the table below using your Periodic Table. Write down examples of non-metals that can share electrons. </li></ul>Carbon Oxygen Hydrogen Chlorine Example of Non-Metal Example of Non-Metal
  15. 16. Facts About Covalent Bonding <ul><li>When non-metals react with non-metals they share electrons and form a covalent bond. </li></ul><ul><li>Single Covalent Bond </li></ul><ul><li>One pair of shared electrons </li></ul>www.sciencetutors.zoomshare.com
  16. 17. Facts About Covalent Bonding <ul><li>When non-metals react with non-metals they share electrons and form a covalent bond. </li></ul><ul><li>2. Double Covalent Bond </li></ul><ul><li>Two pairs of shared electrons </li></ul>www.sciencetutors.zoomshare.com
  17. 18. Facts About Covalent Bonding <ul><li>When non-metals react with non-metals they share electrons and form a covalent bond. </li></ul><ul><li>3. Triple Covalent Bond </li></ul><ul><li>Three pairs of shared electrons </li></ul>www.sciencetutors.zoomshare.com
  18. 19. <ul><li>What is Covalent Bonding? </li></ul><ul><li>A covalent bond is a form of chemical bonding that is characterized by the sharing of pairs of electrons between atoms, and other covalent bonds </li></ul>
  19. 20. COVALENT BONDING <ul><li>To introduce covalent bonding as the strong bonding between atoms in molecules </li></ul><ul><li>What is the Atomic Number Of Chlorine? </li></ul><ul><li>How many electrons are there in an atom of Chlorine? </li></ul><ul><li>What is the electron configuration of Chlorine? </li></ul><ul><li>How many more electrons does chlorine need to have a full outer shell? </li></ul>
  20. 21. COVALENT BONDING <ul><li>To introduce covalent bonding as the strong bonding between atoms in molecules </li></ul><ul><li>What is the Atomic Number Of Hydrogen? </li></ul><ul><li>How many electrons are there in an atom of Hydrogen? </li></ul><ul><li>What is the electron configuration of Hydrogen? </li></ul><ul><li>How many more electrons does Hydrogen need to have a full outer shell? </li></ul>
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