Trends and Patterns of Properties on the Periodic Table

 

HSU periodic Table

 

Atomic Radii

 
Periodic Table of the Elements
   IA IIA IIIA IVA VA VIA VIIA VIIIA
   H  He
2 Li Be    B C N O F Ne
3 Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB  Al Si P S Cl Ar
4 K Ca Sc  Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
5  Rb Sr  Y Zr Nb Mo Tc Ru Rh Pd  Ag  Cd  In Sn Sb Te I  Xe
6  Cs  Ba Lu  Hf Ta  W Re Os Ir  Pt Au  Hg Tl  Pb Bi Po At Rn

Atomic size: decreases going from left right and from bottom top

 

plot of atomic radii versus atomic number

Periodic Table with Atomic Radii Trend arrow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ionization Energy

 
Periodic Table of the Elements
   IA IIA IIIA IVA VA VIA VIIA VIIIA
   H  He
2 Li Be    B C N O F Ne
3 Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB  Al Si P S Cl Ar
4 K Ca Sc  Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
5  Rb Sr  Y Zr Nb Mo Tc Ru Rh Pd  Ag  Cd  In Sn Sb Te I  Xe
6  Cs  Ba Lu  Hf Ta  W Re Os Ir  Pt Au  Hg Tl  Pb Bi Po At Rn

Ionization energy: increases from left right and from bottom top.

 

 

 

plot of ionization energy versus atomic number

 

 

 

Periodic Table with ionization energies Trend arrow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electronegativity

Electronegativity increases from left right and from bottom top.

 

 

 

plot of electronegativity versus atomic number

 

 

 

Periodic Table with Electronegativity Trend arrow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

periodic table with highest density elements indicated by period

 

 

 

 

 

 

 

 

 

 

 

 

 

periodic table with highest melting point elements by period

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Periodic Table of the Elements
   IA IIA IIIA IVA VA VIA VIIA VIIIA
   H  He
2 Li Be    B C N O F Ne
3 Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB  Al Si P S Cl Ar
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
5  Rb Sr  Y Zr Nb Mo Tc Ru Rh Pd  Ag  Cd  In Sn Sb Te I  Xe
6  Cs  Ba Lu Hf Ta  W Re Os Ir  Pt Au  Hg Tl  Pb Bi Po At Rn
  s1 s2 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 p1 p2 p3 p4 p5 p6

 

 

 

 

 

 

 

 

 

 

Periodic Table of the Elements
   IA IIA IIIA IVA VA VIA VIIA VIIIA
   H  He
2 Li Be    B C N O F Ne
3 Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB  Al Si P S Cl Ar
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
5  Rb Sr  Y Zr Nb Mo Tc Ru Rh Pd  Ag  Cd  In Sn Sb Te I  Xe
6  Cs  Ba Lu Hf Ta  W Re Os Ir  Pt Au  Hg Tl  Pb Bi Po At Rn
  s1 s2 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 p1 p2 p3 p4 p5 p6
  • P: 1s2 2s2 2p6 3s2 3p3
    • [Ne] = 1s2 2s2 2p6
    • P = [Ne] 3s2 3p3
  • V: 1s2 2s2 2p6 3s2 3p6 4s2 3d3
    • [Ar] = 1s2 2s2 2p6 3s2 3p6
    • V = [Ar] 4s2 3d3

 

 

 

 

 

 

 

 

 

 

 

Periodic Table of the Elements
   IA IIA IIIA IVA VA VIA VIIA VIIIA
   H  He
2 Li Be    B C N O F Ne
3 Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB  Al Si P S Cl Ar
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
5  Rb Sr  Y Zr Nb Mo Tc Ru Rh Pd  Ag  Cd  In Sn Sb Te I  Xe
6  Cs  Ba Lu Hf Ta  W Re Os Ir  Pt Au  Hg Tl  Pb Bi Po At Rn
  s1 s2 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 p1 p2 p3 p4 p5 p6
  • Na+ = 1s2 2s2 2p6 3s0 or [Ne] 3s0 = 1s2 2s2 2p6 or [Ne]
  • Cu2+ = 1s2 2s2 2p6 3s2 3p6 4s0 3d9 or [Ar] 4s0 3d9 = 1s2 2s2 2p6 3s2 3p6 3d9 or [Ar] 3d9
  • Fe3+ = 1s2 2s2 2p6 3s2 3p6 4s0 3d5 or [Ar] 4s0 3d5 = 1s2 2s2 2p6 3s2 3p63d5 or [Ar] 3d5

 

 

 

 

 

 

 

 

 

 

 

Periodic Table of the Elements
   IA IIA IIIA IVA VA VIA VIIA VIIIA
   H  He
2 Li Be    B C N O F Ne
3 Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB  Al Si P S Cl Ar
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
5  Rb Sr  Y Zr Nb Mo Tc Ru Rh Pd  Ag  Cd  In Sn Sb Te I  Xe
6  Cs  Ba Lu Hf Ta  W Re Os Ir  Pt Au  Hg Tl  Pb Bi Po At Rn
  s1 s2 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 p1 p2 p3 p4 p5 p6

 

© R A Paselk

Last modified 22 March 2009