(s)-block AND (P) block: (Representative or main group elements)
(s) - Block:
Locate at the left hand side of Periodic Table(p) - Block:
Contains 2 groups because (s) sub level filled with 2 electrons
group (1A) whose elements have the configuration ended with {ns1}
group (2A) whose elements have the configuration ended with {ns2}
Locate at the right hand side(d) - block: (Transition elements)
Contains 6 groups G.R because p sub level filled with 6 electrons:
group (3A) whose elements have the configuration ended with {np1}
group (4A) whose elements have the configuration ended with {np2}
group (5A) whose elements have the configuration ended with {np3}
group (6A) whose elements have the configuration ended with {np4}
group (7A) whose elements have the configuration ended with {np5}
group (zero) whose elements have the configuration ended with {np6}
Located in the central region of the periodic table between the s-block and p-block main-group elements(f) - Block: (Inner transition elements)
Contains 10 groups G.R because d sub level filled with 10 electrons
Their electron configuration ended with {ns2, (n-1)d1-10
They are divided into 4 series (4 periods)
Located in the central region of the periodic table between the s-block and p-block main-group elements
Contains 14 groups G.R because f sub level filled with 14 electrons
They divided into 2 series:
The 1st series (lanthanides): placed in the 6th period
The 2nd series (actinides): placed in the 7th period
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