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Silicon

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Silicon
Silicon
Identification
Symbol
Si
Block
P-Block
Group
14
Period
3
Atomic Information
Atomic Number
14
Atomic Radius
111 pm
Mass
28.085 Ar
Category
Metalloid
Standard state(298 K)
Solid
Electronic Configuration
[Ne] 3s2 3p2
Electronegativity (Pauling)
1.90
133.6 kJ/mol
First ionisation energy
786.5 kJ/mol
Physical Properties
Color
Gray
Melting Point
1414oC
Boiling Point
3265oC
Density of solid
2.33g/cm3
Unknown
Heat Properties
Enthalpy of fusion
39.6 kJ/mol
Enthalpy of atomisation
456 kJ/mol
Enthalpy of vaporisation
359 kJ/mol

Silicon is the fourteenth element in the periodic table according to its atomic number 14.

1
H
2
He
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
55
Cs
56
Ba
* 72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
87
Fr
88
Ra
** 104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og


* 57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
** 89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr

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