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11

- ← natrium → magnesium

Li
↑
Na
↓
K


Na-TableImage.svg
Tabel périodik

Katrangan Umum Unsur

Jeneng, Lambang, Nomer atom
natrium, Na, 11
Dhèrèt kimia
logam alkali

Golongan, Période, Blok

1, 3, s
Panampilanputih keperakan
Na,11.jpg
Massa atom
22,989770(2) g/mol
Konfigurasi elektron[Ne] 3s1
Cacahing èlèktron saben kulit
2, 8, 1
Ciri-ciri fisik
Fase
padat

Massa jenis (watara suhu kamar)		0,968 g/cm³

Massa jenis cair ing titik lebur
0,927 g/cm³
Titik lebur370,87 K
(97,72 °C, 207,9 °F)
Titik umob1156 K
(883 °C, 1621 °F)
Kalor peleburan2,60 kJ/mol
Kalor panguapan97,42 kJ/mol
Kapasitas kalor(25 °C) 28,230 J/(mol·K)

















Tekanan uap

P/Pa		1101001 k10 k100 k
ing T/K5546176978029461153
Ciri-ciri atom
Struktur kristalkubus pusat badan
Bilangan oksidasi1
(oksida basa kuat)
Elektronegativitas0,93 (skala Pauling)

Energi ionisasi
pertama: 495,8 kJ/mol
ke-2: 4562 kJ/mol
ke-3: 6910,3 kJ/mol
Jari-jari atom
180 pm

Jari-jari atom (terhitung)
190 pm
Jari-jari kovalen
154 pm
Jari-jari Van der Waals
227 pm
Lain-lain
Sifat magnetik
paramagnetik
Resistivitas listrik(20 °C) 47,7 nΩ·m
Konduktivitas termal(300 K) 142 W/(m·K)
Ekspansi termal(25 °C) 71 µm/(m·K)

Kecepatan suara (pada wujud kawat)		(20 °C) 3200 m/s
Modulus Young10 GPa
Modulus rigiditas3,3 GPa
Modulus ruah6,3 GPa
Skala Mohs0,5
Kekerasan Brinell0,69 MPa
Isotop























iso

NA

waktu paruh

DM

DE (MeV)

DP

22Na

syn

2,602 taun

β+		0,546

22Ne

ε
-

22Ne

γ
1,2745

-

23Na
100%
Na stabil kanthi 12 neutron

Referensi

Natrium utawa sodium iku unsur kimia sajeroning tabel pèriodik kang duwé simbul Na lan nomer atom 11. Natrium iku logam reaktif kang empuk, kepérakan, lan kaya déné lilin, kang éwoning logam alkali kang akèh tinemu sajeroning senyawa alam (mligi halite). Natrium iku réaktif banget, geniné awarna kuning, oksidasi sajeroning hawa udara, lan duwé daya réaksi kuwat karo banyu, saénggga kudu disimpen sajeroning lenga. Amarga réaktif banget, natrium mèh ora tau tinemu wujud unsur murni.



Sipat utama |


Kayadéné logam alkali liyané, natrium iku unsur réaktif kang empuk, ènthèng, lan putih kepérakan, kang ora tau awujud unsur murni ing alam. Natrium ngaambang ing banyu, ngurai dadi gas hidrogen lan ion hidroksida. Yèn digerus dadi bubuk, natrium bakal njeblug sajeroning banyu kanthi spontan. Nanging, racaké natrium ora njeblug ing udara kanthi suhu sangisoré 388 K.




































































































































































Golongan →		12
3456789101112131415161718

Période ↓
1
1
H


2
He
2
3
Li

4
Be



5
B

6
C

7
N

8
O

9
F

10
Ne
3
11
Na

12
Mg



13
Al

14
Si

15
P

16
S

17
Cl

18
Ar
4
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
5
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
6
55
Cs

56
Ba
*

71
Lu

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
7
87
 Fr 
88
Ra
**

103
Lr

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

* Lantanida

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
** Aktinida

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











Seri Kimia saka Tabel Périodik
Logam alkaliAlkali tanahLantanidaAktinidaLogam transisi
LogamMetaloidNonlogamHalogenGas mulia












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