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Periodic Table Study Guide

Periodic Table Study Guide. How to Draw Lewis Structures. LEQ: How do I draw Lewis Structures?. Lewis Structures. Find your element on the periodic table. Determine the number of valence electrons. This is how many electrons you will draw. Lewis Structures.

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Periodic Table Study Guide

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  1. Periodic Table Study Guide How to Draw Lewis Structures LEQ: How do I draw Lewis Structures?

  2. Lewis Structures • Find your element on the periodic table. • Determine the number of valence electrons. • This is how many electrons you will draw.

  3. Lewis Structures • Find out which group (column) your element is in. • This will tell you the number of valence electrons your element has. • You will only draw the valence electrons. www.chem4kids.com

  4. Groups - Review Group 8 = 8 electrons Group 1 = 1 electron Except for He, it has 2 electrons Group 2 = 2 electrons • Each column is called a “group” 3,4,5,6,7 • Each element in a group has the same number of electrons in their outer orbital, also known as “shells”. • The electrons in the outer shell are called “valence electrons” www.chem4kids.com

  5. Lewis Structures • Write the element symbol. • Carbon is in the 4th group, so it has 4 valence electrons. • Starting at the right, draw 4 electrons, or dots, counter-clockwise around the element symbol. C

  6. Lewis Structures • Check your work. • Using your periodic table, check that Carbon is in the 4th group. • You should have 4 total electrons, or dots, drawn in for Carbon. C

  7. Lewis Structures On your worksheet, try these elements on your own: • H • P • Ca • Ar • Cl • Al C

  8. Lewis Structures On your worksheet, try these elements on your own: • H • P • Ca • Ar • Cl • Al H

  9. Lewis Structures On your worksheet, try these elements on your own: • H • P • Ca • Ar • Cl • Al P

  10. Lewis Structures On your worksheet, try these elements on your own: • H • P • Ca • Ar • Cl • Al Ca

  11. Lewis Structures On your worksheet, try these elements on your own: • H • P • Ca • Ar • Cl • Al Ar

  12. Lewis Structures On your worksheet, try these elements on your own: • H • P • Ca • Ar • Cl • Al Cl

  13. Lewis Structures On your worksheet, try these elements on your own: • H • P • Ca • Ar • Cl • Al Al

  14. End of Study Guide. Complete the Lewis Structure Worksheet You should know how to draw Lewis Structures for the first 20 elements.

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