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Tuesday, May 25, 2010

How to Detect period number, group number, block and type of any element

How to Detect period number, group number, block and type of any element only by its Atomic Number:


Element                V. shell end with:     Block                                   Period         Group

11Na                   3s1                                 (s block) (Rep.E)                      3           1A
13Al                    3s2,3p1                          (p block) (Rep.E)                      3           3A
17Cl                    3s2,3p5                          (p block) (Rep.E)                      3           7A
20Ca                   4s2                                 (s block) (Rep.E)                       4           2A
25Mn                   4s2, 3d5                        (d block)(1st T. E)                      4           7B
26Fe                    4s2,3d6                         (d block)(1st T. E)                      4           8B
27Co                   4s2,3d7                         (d block)(1st T.E)                        4           8B
28Ni                    4s2,3d8                         (d block)(main T.E)                     4           8B
29Cu                   4s1,3d10                      (d block)(main T.E)                      4           1B
35Br                    4s2,3d10,4s5               (s block) (Rep.E)                           4           7A
40Zr                    6s2,5d2                         (d block) (2nd T.E)                      6           4B
49Ag                   5s1,4d10                      (d block) (main T.E)                      5           1B
57La                    6s2,5d1                        (d block) (main T.E)                     6           3B
49Ag                   5s1,4d10                      (d block) (main T.E)                      5           1B
64Gd                   6s2, 5d1, 4f7                (f block) (I.T.E)(lanthanides)         6           1B
86Rn                   6s2, 6P6                      (p block) (noble gases)                   6           0
87Fr                     7s1                               (s block) (Rep.E)                         7           1A
97Bk                    7s2, 6d1, 5f8             (f block) (I.T.E)(actinides)               7           2B

2 comments:

kanna thalli said...
This comment has been removed by the author.
kanna thalli said...

i m kanna from india.. and i am a district topper.. i stood in 2nd place in my 10th exams and i fell this is the best to explain. thanks for posting..and please tell me how do I subscribe to ur website..it is very good..

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