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Listed in order of Z number and grouped by row of the Periodic Table. Quick Guide to Notation
Shell K
Subshell 1s
1 H 1
2 He 2
Shell K L
Subshell 1s 2s 2p
3 Li 2 1
4 Be 2 2
5 B 2 2 1
6 C 2 2 2
7 N 2 2 3
8 O 2 2 4
9 F 2 2 5
10 Ne 2 2 6
Shell K L M
Subshell 1s 2s 2p 3s 3p 3d
11 Na 2 2 6 1
12 Mg 2 2 6 2
13 Al 2 2 6 2 1
14 Si 2 2 6 2 2
15 P 2 2 6 2 3
16 S 2 2 6 2 4
17 Cl 2 2 6 2 5
18 Ar 2 2 6 2 6
Shell K L M N
Subshell 1s 2s 2p 3s 3p 3d 4s 4p 4d 4f
19 K 2 2 6 2 6 1
20 Ca 2 2 6 2 6 2
21 Sc 2 2 6 2 6 1 2
22 Ti 2 2 6 2 6 2 2
23 V 2 2 6 2 6 3 2
24 Cr 2 2 6 2 6 5 1
25 Mn 2 2 6 2 6 5 2
26 Fe 2 2 6 2 6 6 2
27 Co 2 2 6 2 6 7 2
28 Ni 2 2 6 2 6 8 2
29 Cu 2 2 6 2 6 10 1
30 Zn 2 2 6 2 6 10 2
31 Ga 2 2 6 2 6 10 2 1
32 Ge 2 2 6 2 6 10 2 2
33 As 2 2 6 2 6 10 2 3
34 Se 2 2 6 2 6 10 2 4
35 Br 2 2 6 2 6 10 2 5
36 Kr 2 2 6 2 6 10 2 6
Shell K L M N O
Subshell 1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 5f 5g
37 Rb 2 2 6 2 6 10 2 6 1
38 Sr 2 2 6 2 6 10 2 6 2
39 Y 2 2 6 2 6 10 2 6 1 2
40 Zr 2 2 6 2 6 10 2 6 2 2
41 Nb 2 2 6 2 6 10 2 6 4 1
42 Mo 2 2 6 2 6 10 2 6 5 1
43 Tc 2 2 6 2 6 10 2 6 6 1
44 Ru 2 2 6 2 6 10 2 6 7 1
45 Rh 2 2 6 2 6 10 2 6 8 1
46 Pd 2 2 6 2 6 10 2 6 10
47 Ag 2 2 6 2 6 10 2 6 10 1
48 Cd 2 2 6 2 6 10 2 6 10 2
49 In 2 2 6 2 6 10 2 6 10 2 1
50 Sn 2 2 6 2 6 10 2 6 10 2 2
51 Sb 2 2 6 2 6 10 2 6 10 2 3
52 Te 2 2 6 2 6 10 2 6 10 2 4
53 I 2 2 6 2 6 10 2 6 10 2 5
54 Xe 2 2 6 2 6 10 2 6 10 2 6
Shell K L M N O P
Subshell 1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 5f 5g 6s 6p 6d 6f 6g 6h
55 Cs 2 2 6 2 6 10 2 6 10 2 6 1
56 Ba 2 2 6 2 6 10 2 6 10 2 6 2
57 La 2 2 6 2 6 10 2 6 10 2 6 1 2
58 Ce 2 2 6 2 6 10 2 6 10 1 2 6 1 2
59 Pr 2 2 6 2 6 10 2 6 10 3 2 6 2
60 Nd 2 2 6 2 6 10 2 6 10 4 2 6 2
61 Pm 2 2 6 2 6 10 2 6 10 5 2 6 2
62 Sm 2 2 6 2 6 10 2 6 10 6 2 6 2
63 Eu 2 2 6 2 6 10 2 6 10 7 2 6 2
64 Gd 2 2 6 2 6 10 2 6 10 7 2 6 1 2
65 Tb 2 2 6 2 6 10 2 6 10 9 2 6 2
66 Dy 2 2 6 2 6 10 2 6 10 10 2 6 2
67 Ho 2 2 6 2 6 10 2 6 10 11 2 6 2
68 Er 2 2 6 2 6 10 2 6 10 12 2 6 2
69 Tm 2 2 6 2 6 10 2 6 10 13 2 6 2
70 Yb 2 2 6 2 6 10 2 6 10 14 2 6 2
71 Lu 2 2 6 2 6 10 2 6 10 14 2 6 1 2
72 Hf 2 2 6 2 6 10 2 6 10 14 2 6 2 2
73 Ta 2 2 6 2 6 10 2 6 10 14 2 6 3 2
74 W 2 2 6 2 6 10 2 6 10 14 2 6 4 2
75 Re 2 2 6 2 6 10 2 6 10 14 2 6 5 2
76 Os 2 2 6 2 6 10 2 6 10 14 2 6 6 2
77 Ir 2 2 6 2 6 10 2 6 10 14 2 6 7 2
78 Pt 2 2 6 2 6 10 2 6 10 14 2 6 9 1
79 Au 2 2 6 2 6 10 2 6 10 14 2 6 10 1
80 Hg 2 2 6 2 6 10 2 6 10 14 2 6 10 2
81 Ti 2 2 6 2 6 10 2 6 10 14 2 6 10 2 1
82 Pb 2 2 6 2 6 10 2 6 10 14 2 6 10 2 2
83 Bi 2 2 6 2 6 10 2 6 10 14 2 6 10 2 3
84 Po 2 2 6 2 6 10 2 6 10 14 2 6 10 2 4
85 At 2 2 6 2 6 10 2 6 10 14 2 6 10 2 5
86 Rn 2 2 6 2 6 10 2 6 10 14 2 6 10 2 6
Shell K L M N O P Q
Subshell 1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 5f 5g 6s 6p 6d 6f 6g 6h 7s 7p
87 Fr 2 2 6 2 6 10 2 6 10 14 2 6 10 2 6 1
88 Ra 2 2 6 2 6 10 2 6 10 14 2 6 10 2 6 2
89 Ac 2 2 6 2 6 10 2 6 10 14 2 6 10 2 6 1 2
90 Th 2 2 6 2 6 10 2 6
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Explain why Krypton and Xenon do not readily react to form compounds?
They are noble gases whose electron shells are full. They cannot, therefore, form ions.
Why the chlorine not react with the argon?
Argon has three full shells of electrons. Elements react to form bonds so that their outer shell is full. As Argon has a full outer shell it is unreactive
What compound does nitrogen and neon create and what is its chemical formula?
Noble gases dont form bonds because their valencr shells are full.
Are atoms most stable when their outer shells are full?
Yes, they are.
What atoms have a full set of electrons in the outer level?
Noble gases, or elements of the 18th group have full valence shells. In other words helium, neon, argon, krypton, xenon, radon and ununoctium have full valence shells.
When did KLMN end?
KLMN ended in 2009.
When was KLMN created?
KLMN was created on 2003-06-11.
What is a klmn is a parallelogram?
It is a statement that may or may not be true - depending on what klmn is (or oare)..
When was A Beach Full of Shells created?
A Beach Full of Shells was created in 2005.
Why do the noble gases not form copounds readily?
Because their electron shells are full of the requisite number of electrons.
What is full form of s p d f in shells and subshell?
s = ? , p=? , d=?, f=?
If KLMN is a square then?
It must be a rhombus
Why are the noble gases not included on the table of electronegativities?
they already have full shells so they dont tend to form compounds
Explain why Krypton and Xenon do not readily react to form compounds?
They are noble gases whose electron shells are full. They cannot, therefore, form ions.
Why the chlorine not react with the argon?
Argon has three full shells of electrons. Elements react to form bonds so that their outer shell is full. As Argon has a full outer shell it is unreactive
If KLMN is a square can it be a rhombus?
The answer is it must be a rhombus
Does noble gases have full valence shells?
Their shells are always full (unless something wacky happens). This is why they are so unreactive.
