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Lewis dot diagrams and valence electrons

Lewis dot diagrams and valence electrons. Valence electrons. Valence electrons are the electrons in the outermost energy level of an atom, they are the ones in the last orbital. These are the electrons that are used in bonding.

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Lewis dot diagrams and valence electrons

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  1. Lewis dot diagrams and valence electrons

  2. Valence electrons • Valence electrons are the electrons in the outermost energy level of an atom, they are the ones in the last orbital. • These are the electrons that are used in bonding.

  3. Atoms in the same column have the same number of valence electrons. All of the alkali metals have 1 valence electron All of the alkaline earth metals have 2 valence electrons. All of the elements in column 13 have 3 valence electrons. All of the elements in column 14 have 4 valence electrons All of the elements in column 15 have 5 valence electrons All of the elements in column 16 have 6 valence electrons All of the halogens have 7 valence electrons All of the noble gases have 8 valence electrons. • Because they have the same number of valence electrons, they share many of the same properties.

  4. Practice • Draw the dot diagram for the following elements: • 1. Calcium • 2. Bromine • 3. Francium • 4. Gallium • 5. Arsenic • 6. Tin • 7. Polonium • 8. Xenon

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