Daily Science Oct 16 Write the shorthand electron configurations for the following:  Cu  I  F  Hg.

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Presentation transcript:

Daily Science Oct 16 Write the shorthand electron configurations for the following:  Cu  I  F  Hg

PG. 41 Valence Electrons

Determine chemical properties of an element Electrons in the outer most energy level To find valence electrons, add all numbers in the highest energy level. All atoms want filled valence shells (usually 8 electrons) Write electron configurations for Li and Na. Be and Mg. B and Al. C and Si. N and P. O and S. F and Cl. Ne and Ar.

Lewis Dot diagrams Also called electron dot structures Write element symbol Use dots to represent valence electrons One dot must go on each side before you can fill in second dot