Group Group 1   Group 2           Transition Metals                   Group 4       Group 5     Group 7        
Other properties Oxidation state always +1 Metallic Oxidation state always +2 Reactivity with water Alkalinity of oxide/hydroxide Thermal stability of carbonate Solubility of hydroxides Solubility of carbonates Oxidation state: various Sc Ti V Cr Mn  Fe Co Ni Cu Zn Oxidation state: +4 or +2 Relative stability of 2+ ion Basicity of oxide Oxide Oxidation state: -3 or +3 or +5 with dative Metallic Oxide Oxidation state: F always -1, Iodine can be +5 Solubility in water Colour of organic solution Colour of silver halide Reactivity
Trend Li Less metallic (Be) Less reactive Weaker Less stable Less soluble More soluble Configuration 3d1 4s2 3d2 4s2 3d3 4s2 3d5 4s1 3d5 4s2 3d6 4s2 3d7 4s2 3d8 4s2 3d10 4s1 3d10 4s2 C Less stable Acidic (CO2) CO2 covalent downarrow
N
Less NO, NO2, N2O (F) REACTS More
  Na downarrow
 
Mg
downarrow
downarrow
downarrow
downarrow
uparrow
Particular oxidation state(s) only +3  +3, +4  +2, +3, +4, +5  +2, +3, +6  +2, +3, +4, +6, +7  +2,+3  +2, +3  +2 only  +1 +2  +2 only Si downarrow
downarrow
SiO2 ionic P Non-metals P4O10 Cl uparrow
More
pale green white uparrow
 
  K   Ca Most stable oxidation states arrow
High
(+7 highly oxidising)
Low Ge   As   Br red cream  
  Rb   Sr Stability of +2
Less
(+2 highly reducing)
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More Sn   Sb Metalloids   I violet yellow  
  Cs Ba Stability of +3 More
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(+3 highly oxidising) Less Pb More stable Basic (PbO) PbO PbO2 Bi More   (At) Less Less
  (Fr) More metallic (Ra) More reactive Stronger More stable More soluble Less soluble Transition Metal? NOT yes yes yes yes yes yes yes yes NOT