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Unit: Matter Focus: Periodic Table Day 19: 9/26/17

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1 Unit: Matter Focus: Periodic Table Day 19: 9/26/17
Turn in flash cards NOW. 2. Take out your new periodic table for shading and your periodic table families chart (on back of the notes).

2 Plan for the Day Finish stations on periodic table groups and their properties *notes/shading (small groups) *video (whole class) *review (whole class) Review as a class

3 Homework: Tonight…finish filling in all info on your two element card sheets EXCEPT for properties (the middle part) 2. CFA next Monday. Study Bohr and Lewis structures, the atom, your vocab. sheets, periodic table groups. No scores below 80% or you know what happens! Pay attention this week. *****Bring colored pencils to class all this week.

4 E.Q. p What are the physical and chemical properties of the different groups/families of elements on the Periodic Table?

5 Let’s watch a Brainpop video about the Periodic Table.

6 PERIODIC TABLE STATIONS
Let’s investigate P.Table groups/families. At each station: 1. Write down that group’s properties (poster) on your “Periodic Table Families” chart. Don’t leave off any details. 2. Shade each group carefully ON YOUR new PERIODIC TABLE AS YOU TAKE NOTES. FILL IN THE COLOR KEY AT THE TOP. ***Don’t shade hydrogen the same color as the other elements in its group. Shade it a different color. ***Work quickly. Don’t play around.

7

8 Now we’ll review properties of the families (groups) on the P. T
Now we’ll review properties of the families (groups) on the P.T., but first…

9 You have learned that the alkali metals are the most reactive group on the periodic table. Let’s watch just how reactive they are when they are placed in water, one of the most stable, neutral substances that exists. alkali metals in water

10 Group/Family Names & Characteristics
Alkali Metals Alkaline-Earth Metals Boron Carbon Nitro-gen Oxygen Halogen Noble Gases *Group 1A *1v.e. *Most reactive metals *Soft, silvery *never uncom-bined in nature *form salts w/ Gp. 7A NaCl *conduc-tive *low densi. *violent reaction in water *Group 2A *2 v.e. *Very reactive metals *Soft * Higher density than 1A *silvery in color *Group 3A *3 v.e. *reac-tive *(Al) most common metal on Earth *Group 4A *4 v.e. *reac-tive *Si most common metal-loid *Group 5A *5 v.e. *N most plentiful gas in air (78%) *Group 6A *6 v.e. *Group 7A *7 val.el. *most reactive nonme-tals *Never uncom-bined in nature *form salts with Gp. 1A *Group 8A *8 v.e. or full valence level (outer shell) *non-reactive - inert *non-metals *all gases

11 Let’s talk about the metals we are most familiar with.

12 Transition Elements(Metals)
Groups 3B-12B-All metals Coinage metals; common metals Mostly shiny, ductile, malleable, good conductors, solid (except Mercury) All are reactive to some degree-will tarnish (silver), rust (iron), patina (copper) Iron, copper, gold, nickel, silver Fascinating fact: Gold is conductive, but because it’s so rare and expensive, it isn’t used in electrical wiring.

13 Wrap-up: Use a Venn Diagram to compare and contrast halogens and alkali metals. See next slide.

14 Alkali Metals – Group 1A Halogens –Group 7A (17)


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