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Periodic Table Study Guide An explanation of how atoms can bond to each other How to Draw Lewis Structures

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Lewis Structures 1)Find the element on the periodic table. 2)Determine the number of valence (extra) electrons based off the group number.

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

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Groups - Review Each column is called a “group” Each element in a group has the same number of electrons in their outer orbital, also known as “shells”. Except for He, it has 2 electrons The electrons in the outer shell are called “valence electrons”

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Lewis Structures 1)Write the element symbol. 2)Carbon is in the 4 th group, so it has 4 valence electrons. 3)Starting at the right, draw 4 electrons, or dots, counter- clockwise around the element symbol.

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Lewis Structures 1)Check your work. 2)Using your periodic table, check that Carbon is in the 4 th group. 3)You should have 4 total electrons, or dots, drawn in for Carbon.

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Lewis Structures In your notebook, try these elements on your own: a)H b)P c)Ca d)Ar e)Cl f)Al

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Lewis Structures In your notebook, try these elements on your own: a)H b)P c)Ca d)Ar e)Cl f)Al

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Lewis Structures In your notebook, try these elements on your own: a)H b)P c)Ca d)Ar e)Cl f)Al

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Lewis Structures In your notebook, try these elements on your own: a)H b)P c)Ca d)Ar e)Cl f)Al

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Lewis Structures In your notebook, try these elements on your own: a)H b)P c)Ca d)Ar e)Cl f)Al

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Lewis Structures In your notebook, try these elements on your own: a)H b)P c)Ca d)Ar e)Cl f)Al

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Lewis Structures In your notebook, try these elements on your own: a)H b)P c)Ca d)Ar e)Cl f)Al

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10/15 Tuesday Closure Using your notes to help you, explain what you would need to do to find the: – Number of Protons – Number o Neutrons – Number of Electrons For the element, Titanium (Shown on the right)

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