Electronegativites for elements across period 3

Transcript

1. Electronegativites for elements across period 3 Neil Parikh, Jackson Hao, Tiger Tan
2. What is electronegativity?
3. The Data Element Atomic # Symbol Electronegativity Sodium 11 Na 0.9 Magnesium 12 Mg 1.2 Aluminium 13 Al 1.5 Silicon 14 Si 1.8 Phosphorus 15 P 2.1 Sulphur 16 S 2.5 Chlorine 17 Cl 3.0
4. The Trend 0 0.75 1.50 2.25 3.00 0 8.5 17.0 Atmoic number vs. Electronegativity Electronegativity Atomic Number
5. Trends Continued
6. Factors that cause this Atomic Number Nuclear Charge
7. Other Info Argon/Noble Gases
8. Sources • Saunders, Nigel. "Creative Chemistry - Trend in electronegativity of Period 3 elements." Creative Chemistry - fun activities, worksheets, games and revision quizzes. N.p., n.d. Web. 16 Oct. 2012. <http://www.creative- chemistry.org.uk/alevel/module1/trends7.htm>. • Silberberg, Martin S.. Chemistry: the molecular nature of matter and change. 5th ed. Boston: McGraw-Hill, 2009. Print. • Clark, Jim. "electronegativity." chemguide: helping you to understand Chemistry - Main Menu. N.p., n.d. Web. 17 Oct. 2012. <http:// www.chemguide.co.uk/atoms/bonding/electroneg.html>. • "Periodic Properties of the Elements." UC Davis, n.d. Web. 16 Oct. 2012. <http://chemwiki.ucdavis.edu/Inorganic_Chemistry/ Descriptive_Chemistry/Periodic_Table_of_the_Elements/ Periodic_Properties_of_the_Elements>.
9. Thanks Questions?