Periodic Table

Views:
 
Category: Education
     
 

Presentation Description

Periodic Table

Comments

Presentation Transcript

Introduction To The Periodic Table:

Introduction To T he Periodic Table

History of The Table:

History of The Table 1869 Dmitri Mendeleev 56 known element Classified by properties Noticed similar atomic weight New York Public Library Archives, Russian chemist Dmitri Mendeleev, August 28 th , 2011 via Wikimedia Commons, Public Domain

Slide3:

Källa:Dmitrij Ivanovitj Mednelejev,Dmitrij Mendelejevs periodiska system, December 11 th ,2003 via Wikipedia, Public Domain

Modern Day Table:

Modern Day Table 118 Known Elements Glenn Seaborg Atomic Structure Properties Valence Electrons Atomic Energy Commission, Glenn Seaborg-1964, October 19 th , 2009 via Wikimedia Commons, Public Domain

Slide5:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Valence Electrons:

Valence Electrons Outer number of electrons Based on c olumn Determines stability Determines properties Wants to fill Octet rule P N E E

Octet Rule:

Octet Rule First 2 Elements Order of fill After first 2, Octet Rule P N E E P N E E E E P N E E E E E P N E P N E E E E E E E E E

Slide8:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Alkali Metals:

Alkali Metals 1 valence electron Octet Rule? Highly Reactive Reaction with water Similar Properties Lose 1 P N E

Slide10:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Alkaline Metals:

Alkaline Metals 2 valence electrons Octet Rule? Properties Alkaline= Basic Lose 2 P N E E

Slide12:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Transition/ Other Metals:

Transition/ Other Metals Random assortment of valence electrons Al: 3 Valence Electrons Metallic Bonding Transfer of electrons Properties P N P N P N P N P N P N E E E E E E E E E E

Slide14:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Lanthanoids:

Lanthanoids Rare earth metals Worked on by Seaborg Belong in row 6 Found Naturally Reactivity: Promethium

Slide16:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Actinoids:

Actinoids Belong in row 7 Known for reactivity Lose electrons Not just nuclear purposes

Slide18:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Metalloids:

Metalloids Oid - Like Look like Metals Act like Non-Metals Usually found in alloys 2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Slide20:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Non Metals:

Non Metals Gases and solids Very p oor conductors Gain Electrons 4+ electrons

Slide22:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Halogens:

Halogens Octet Rule? Very reactive Very Toxic All Diatomic Ex: F 2 P N E E E E E E E Gain 1

Slide24:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Noble Gases:

Noble Gases Full set of electrons Extremely stable All are gases Used for lighting P N E E E E E E E E

Slide26:

2012rc, Periodic Table Large, September 15 th ,2009 via Wikimedia Common, Public Domain

Unknown:

Unknown Man made/ synthetic Only last for a few seconds Recently been discovered

Sources:

Sources Courtney, A. (2014, September 12). A Brief History of the Development of Periodic Table [PowerPoint slides]. Retrieved October 9, 2016, from Western Oregon University website: https :// www.wou.edu / las/ physci /ch412/ perhist.htm Banks, A. J., Bollom , M. S., Holmes, J. L., Jacobsen, J. J., Kotz , J. C., & Moore, J. W. ( n.d .). Periodic Table Live [PowerPoint slides]. Retrieved October 9, 2016, from ChemEd DL website : http:// www.chemeddl.org / resources / ptl / index.php Bodner Research Web [PowerPoint slides]. ( n.d. ). Retrieved October 9, 2016, from http:// chemed.chem.purdue.edu / genchem / topicreview / bp /ch10/group7.php Bodner Research Web. ( n.d. ). Retrieved October 9, 2016, from http:// chemed.chem.purdue.edu / genchem / topicreview / bp /ch9/ activity.php

authorStream Live Help