Special Groups
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Special Groups

Certain groups on the periodic table are given specific names with which you need to be familiar. For example, the elements in the last group (group O) are called the inert gases. Sometimes they are called the noble gases. Also, the elements in group VIIa are called the halogens (F, Cl, Br, I, At). The elements in group Ia (except for hydrogen) are called the alkali metals and the elements in group IIa are called the alkaline-earth metals.

Special Groups on the Periodic Table
H                                 He
Li Be                     B C N O F Ne
Na Mg                     Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La * Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac §                              
  ^ alkaline earth metals    halogens^   
^ alkali metals   inert    ^  gases      
 

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