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The Periodic Table and the Elements : 

The Periodic Table and the Elements AMIT NAYAK IX-A 9133

The Periodic Table and the Elements : 

The Periodic Table and the Elements What is the periodic table ? What information is obtained from the table ? How can elemental properties be predicted base on the PT ?

Dmitri Mendeleev (1869) : 

Dmitri Mendeleev (1869) In 1869 Mendeleev and Lothar Meyer (Germany) published nearly identical classification schemes for elements known to date. The periodic table is base on the similarity of properties and reactivities exhibited by certain elements. Later, Henri Moseley ( England,1887-1915) established that each elements has a unique atomic number, which is how the current periodic table is organized. http://www.chem.msu.su/eng/misc/mendeleev/welcome.html

The Periodic Table : 

The Periodic Table A map of the building block of matter. http://www.chemsoc.org/viselements/pages/periodic_table.html

Periodic Table Expanded View : 

Periodic Table Expanded View The way the periodic table usually seen is a compress view, placing the Lanthanides and actinides at the bottom of the stable. The Periodic Table can be arrange by subshells. The s-block is Group IA and & IIA, the p-block is Group IIIA - VIIIA. The d-block is the transition metals, and the f-block are the Lanthanides and Actinide metals

Periodic Table: Metallic arrangement : 

Periodic Table: Metallic arrangement Layout of the Periodic Table: Metals vs. nonmetals Metals Nonmetals

Periodic Table: The three broad ClassesMain, Transition, Rare Earth : 

Periodic Table: The three broad ClassesMain, Transition, Rare Earth Main (Representative), Transition metals, lanthanides and actinides (rare earth)

Reading the Periodic Table: Classification : 

Reading the Periodic Table: Classification Nonmetals, Metals, Metalloids, Noble gases

Across the Periodic Table : 

Across the Periodic Table Periods: Are arranged horizontally across the periodic table (rows 1-7) These elements have the same number of valence shells. 2nd Period 6th Period

Down the Periodic Table : 

Down the Periodic Table Family: Are arranged vertically down the periodic table (columns or group, 1- 18 or 1-8 A,B) These elements have the same number electrons in the outer most shells, the valence shell.

Infamous Families of the Periodic Table : 

Infamous Families of the Periodic Table Notable families of the Periodic Table and some important members:

Important members - the Elements : 

Important members - the Elements Individual members of selected Elements & their characteristics

Periodic Table e- configuration from the periodic periodic table(To be covered in future chapters) : 

Periodic Table e- configuration from the periodic periodic table(To be covered in future chapters) B 2p1 H 1s1 Li 2s1 Na 3s1 K 4s1 Rb 5s1 Cs 6s1 Fr 7s1 Be 2s2 Mg 3s2 Ca 4s2 Sr 5s2 Ba 6s2 Ra 7s2 Sc 3d1 Ti 3d2 V 3d3 Cr 4s13d5 Mn 3d5 Fe 3d6 Co 3d7 Ni 3d8 Zn 3d10 Cu 4s13d10 B 2p1 C 2p2 N 2p3 O 2p4 F 2p5 Ne 2p6 He 1s2 Al 3p1 Ga 4p1 In 5p1 Tl 6p1 Si 3p2 Ge 4p2 Sn 5p2 Pb 6p2 P 3p3 As 4p3 Sb 5p3 Bi 6p3 S 3p4 Se 4p4 Te 5p4 Po 6p4 Cl 3p5 Be 4p5 I 5p5 At 6p5 Ar 3p6 Kr 4p6 Xe 5p6 Rn 6p6 Y 4d1 La 5d1 Ac 6d1 Cd 4d10 Hg 5d10 Ag 5s14d10 Au 6s15d10 Zr 4d2 Hf 5d2 Rf 6d2 Nb 4d3 Ta 5d3 Db 6d3 Mo 5s14d5 W 6s15d5 Sg 7s16d5 Tc 4d5 Re 5d5 Bh 6d5 Ru 4d6 Os 5d6 Hs 6d6 Rh 4d7 Ir 5d7 Mt 6d7 Ni 4d8 Ni 5d8

Periodic Table: electron behavior : 

Periodic Table: electron behavior The periodic table can be classified by the behavior of their electrons

2. Trend in Atomic Radius : 

2. Trend in Atomic Radius Atomic Radius: The size of at atomic specie as determine by the boundaries of the valence e-. Largest atomic species are those found in the SW corner since these atoms have the largest n, but the smallest Zeff.

3. Trend in Ionization Potential : 

3. Trend in Ionization Potential Ionization potential: The energy required to remove the valence electron from an atomic specie. Largest toward NE corner of PT since these atoms hold on to their valence e- the tightest.

4. Trend in Electron Affinity : 

4. Trend in Electron Affinity Electron Affinity: The energy release when an electron is added to an atom. Most favorable toward NE corner of PT since these atoms have a great affinity for e-.

Summary of Trend : 

Summary of Trend Periodic Table and Periodic Trends 1. Electron Configuration 2. Atomic Radius: Largest toward SW corner of PT 3. Ionization Energy: Largest toward NE of PT 4. Electron Affinity: Most favorable NE of PT

Summary : 

Summary Periodic Table: Map of the Building block of matter Type: Metal, metalloid and Nonmetal Groupings: Representative or main, transition and Lanthanide/Actanides Family: Elements in the same column have similar chemical property because of similar valence electrons Alkali, Alkaline, chalcogens, halogens, noble gases Period: Elements in the same row have valence electrons in the same shell.

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