Agenda: Homework: Assignment Sheet

1. Agenda: Homework: Assignment Sheet New Unit: Periodic Table as a Tool Introduction Electron Arrangement impacts PT’s Shape Metal vs. Non-metals (Properties) Element Groups

2. Element Song • http://www.edu-cyberpg.com/IEC/elementsong.html • Educational CyberPlayGround ®: K-12 Interdisciplinary Curriculum

3. Agenda – • Warm-up: Element Song • Determining Electron Arrangement – PT • Periodic Trends • Atomic Radius • Ionic Radius • Ionization Energy • Electronegativity Homework: Complete the trends Information using text. pp.163-169

4. Warm -up

5. The Pattern is the Key Put the following into a pattern 3 across 4 down Bluebird, green hummingbird, red cardinal, pink flamingo Pink freight truck, Red pick-up truck, green Civic, Blue SUV Green cottage, Blue house, Red brick apartment building, Dilworth’s pink glass building

6. Periodic Table Link between Electron Arrangement & Periodic Table

7. A Chemist’s Most Useful Tool

8. Periodic Table • http://ed.ted.com/lessons/the-genius-of-mendeleev-s-periodic-table-lou-serico • Also see Review & Dig Deeper on webpage

9. A chemist’s most useful tool Why do you think the Periodic Table is called the “chemist’s most useful tool”? Wouldn’t it be great if you could get most of your test answers from the Periodic Table! What information do you know how to get? What information would you (or a scientist) would like to get?

10. How can we use the Periodic Table to understand the properties of elements?

11. Electron Arrangement impacts the shape of the Periodic Table • Periods • Groups • Blocks

12. Unit 4: Periodic Table(student notes) • Periodic means: • Knowing the __________ __________ in the Periodic Table, we can predict for an element: - How easily it will react, - How it will form a compound, - The type of compound it will form, - The number of atoms of each element in a compound

13. Student notes The elements in the Periodic Table are arranged across the table according to their _____________ ______________. It identifies the _______________. A scientist who was important in the development of the Periodic Table is (was) _____________________

14. a. Elements are arranged in Periods (_____) according to the total number of _________ _________ for their electrons. b. The Periodic Table can be divided into 4 blocks based on electron configurations for the elements. Groups Val electrons Block S Block P Block D Block F Electron Arrangement impacts the shape of the Periodic Table.

15. Valence e- Electron dot 1 18 Periods Representative elements are elements in groups 1 & 2; 13-18. These valence electrons are in the _____ and _____ & ________ sublevels.

16. S, P, D, F Blocks Periods 18

17. Understanding of Metals vs. Non-metals • Examples Metals Non-metals • Properties • Physical • Chemical What do you already know? – Sort terms

18. Understanding metals vs. non-metalsvideo segment

19. Understanding Metals vs. Non-metalsPhysical Properties • Black Study Guide • Metals: p. 47 • Non-metals: p. 50 Sort terms for metals vs. non-metals

20. Physical & Chemical Properties 1 18

21. Element Groups • Elements are arranged in groups (____________) according to the number of their ___________ _____________ • Definition: • Elements in the same group have _________ __________ properties.

22. Groups: Similar chemical properties • Video segment

23. Group Names: describe their properties Hydrogen is unique! Groups important to know: 1 2 Groups 3 - 12 14,15,16,17,18

24. Representative (main group) elements are:

25. Element Groups & Properties

26. Ion Practice • Ion Formation base on electron configuration • Metal or non-metal? • Compare atom & ion • Electron configuration and Electron Dot Notation • Additional practice • Using Lewis Diagrams

27. Representing Ions • Ions are formed when the __________ electrons are lost or gained. • Metals ________ valence electrons to form _______ ions, called __________. Non-metals _______ valence electrons until they have 8 and form _______ ions, called __________.

28. Comparing atoms & ions

29. Comparing atoms & ions

30. Atoms & Ions

31. Atoms & Ions

32. How do metal atoms lose electrons? Ionization energy Ground State, Excited State, Ionization energy Lithium

33. How do non-metal atoms gain electrons? Electronegativity Large metal atom Small non-metal atom

34. Forming Compounds • They come together to form a ______________ ______________ . • Many formula units are held together to make an _______ compound.

35. Periodic Trend Animation • http://faculty.ucc.edu/chemistry-pankuch/Amin.html • Atomic size • Ionic size • Ionization • Electronegativity • For later used: bond formation

36. Trends for Ionization Energy & ElectronegativityArrows to show trends for metals & non-metals 1 18 Reactivity: trends for metals and non-metals

37. 6. Octet Rule Atoms tend to ______, ______, or _______ electrons in order to have _____ valence electrons. _______ valence electrons gives stability. Exception: Duet rule:

38. 7. Reactivity Group 18 (called the _______________) are ____________ (also called ________ or _____________), because: Group 1 (called ____________) are the most reactive metals because: Group 17 (called ___________) are the most reactive nonmetals because:

39. Trends for Ionization Energy & ElectronegativityArrows to show trends for metals & non-metals 1 18 Reactivity: trends for metals and non-metals

40. Predicting Properties of Elements - based on the position on the Periodic Table : Size; IE; EN Property: which element has the largest value? Ca vs. Br C vs. SnF vs. I Si vs. Cl Na vs. P Li vs. K Be vs. O S vs. Ar Al vs. S Ne vs. Kr B vs. Al B vs. Ne

41. Ions and Charges for Representative Elements