प्रयोग:Shilpi2

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नाम
प्रतीक
पेरियड
समूह
रासायनिक श्रेणी
द्रब्यमान (g/mol)
1 हाइड्रोजन H 1 1 Nonmetal 0,000,001 1.00794(7)[1][2][3]
2 हीलियम He 1 18 Noble gas 0,000,004 4.002602(2)[1][3]
3 लिथियम Li 2 1 Alkali metal 0,000,006 6.941(2)[1][2][3][4]
4 बेरेलियम Be 2 2 Alkaline earth metal 0,000,009 9.012182(3)
5 बोरान B 2 13 उपधातु 0,000,010 10.811(7)[1][2][3]
6 कार्बन C 2 14 अधातुl 0,000,012 12.0107(8)[1][3]
7 नाइट्रोजन N 2 15 Nonmetal 0,000,014 14.0067(2)[1][3]
8 आक्सीजन O 2 16 Nonmetal 0,000,015 15.9994(3)[1][3]
9 फ्लोरीन F 2 17 Halogen 0,000,018 18.9984032(5)
10 निआन Ne 2 18 Noble gas 0,000,020 20.1797(6)[1][2]
11 सोडियम Na 3 1 Alkali metal 0,000,022 22.98976928(2)
12 मैग्नीशियम Mg 3 2 Alkaline earth metal 0,000,024 24.3050(6)
13 अलमुनियम Al 3 13 Poor metal 0,000,026 26.9815386(8)
14 सिलिकान Si 3 14 Metalloid 0,000,028 28.0855(3)[3]
15 फास्फोरस P 3 15 Nonmetal 0,000,030 30.973762(2)
16 गंधक S 3 16 Nonmetal 0,000,032 32.065(5)[1][3]
17 क्लोरीन Cl 3 17 Halogen 0,000,035 35.453(2)[1][2][3]
18 आर्गन Ar 3 18 Noble gas 0,000,039 39.948(1)[1][3]
19 पोटैशियम K 4 1 Alkali metal 0,000,039 39.0983(1)
20 कैल्सियम Ca 4 2 Alkaline earth metal 0,000,040 40.078(4)[1]
21 स्कैंडियम Sc 4 3 Transition metal 0,000,044 44.955912(6)
22 टाइटैनियम Ti 4 4 Transition metal 0,000,047 47.867(1)
23 वैनेडियम V 4 5 Transition metal 0,000,050 50.9415(1)
24 क्रोमियम Cr 4 6 Transition metal 0,000,051 51.9961(6)
25 Manganese Mn 4 7 Transition metal 0,000,054 54.938045(5)
26 आयरन Fe 4 8 Transition metal 0,000,055 55.845(2)
27 कोबाल्ट Co 4 9 Transition metal 0,000,058 58.933195(5)
28 निकेल Ni 4 10 Transition metal 0,000,058 58.6934(2)
29 कॉपर Cu 4 11 Transition metal 0,000,063 63.546(3)[3]
30 जिंक Zn 4 12 Transition metal 0,000,065 65.409(4)
31 गैलियम Ga 4 13 Poor metal 0,000,069 69.723(1)
32 जरमैनियम Ge 4 14 Metalloid 0,000,072 72.64(1)
33 आर्सेनिक As 4 15 Metalloid 0,000,074 74.92160(2)
34 सेलेनियम Se 4 16 Nonmetal 0,000,078 78.96(3)[3]
35 ब्रोमिन Br 4 17 Halogen 0,000,079 79.904(1)
36 क्रिप्टन| Kr 4 18 Noble gas 0,000,083 83.798(2)[1][2]
37 रूबिडयम Rb 5 1 Alkali metal 0,000,085 85.4678(3)[1]
38 स्टॉसियम Sr 5 2 Alkaline earth metal 0,000,087 87.62(1)[1][3]
39 यत्रियम Y 5 3 Transition metal 0,000,088 88.90585(2)
40 जिर्कोनियम Zr 5 4 Transition metal 0,000,091 91.224(2)[1]
41 नियोबियम।। Nb 5 5 Transition metal 0,000,092 92.906 38(2)
42 मोलिबडेनम Mo 5 6 Transition metal 0,000,095 95.94(2)[1]
43 टेक्नेशियम Tc 5 7 Transition metal 0,000,098 [98.9063][5]
44 रूथेनियम Ru 5 8 Transition metal 0,000,101 101.07(2)[1]
45 रोडियम Rh 5 9 Transition metal 0,000,102 102.90550(2)
46 Palladium Pd 5 10 Transition metal 0,000,106 106.42(1)[1]
47 Silver Ag 5 11 Transition metal 0,000,107 107.8682(2)[1]
48 Cadmium Cd 5 12 Transition metal 0,000,112 112.411(8)[1]
49 Indium In 5 13 Poor metal 0,000,114 114.818(3)
50 Tin Sn 5 14 Poor metal 0,000,118 118.710(7)[1]
51 Antimony Sb 5 15 Metalloid 0,000,121 121.760(1)[1]
52 Tellurium Te 5 16 Metalloid 0,000,127 127.60(3)[1]
53 Iodine I 5 17 Halogen 0,000,126 126.90447(3)
54 Xenon Xe 5 18 Noble gas 0,000,131 131.293(6)[1][2]
55 Caesium Cs 6 1 Alkali metal 0,000,132 132.9054519(2)
56 Barium Ba 6 2 Alkaline earth metal 0,000,137 137.327(7)
57 Lanthanum La 6 Lanthanide 0,000,138 138.90547(7)[1]
58 Cerium Ce 6 Lanthanide 0,000,140 140.116(1)[1]
59 Praseodymium Pr 6 Lanthanide 0,000,140 140.90765(2)
60 Neodymium Nd 6 Lanthanide 0,000,144 144.242(3)[1]
61 Promethium Pm 6 Lanthanide 0,000,146 [146.9151][5]
62 Samarium Sm 6 Lanthanide 0,000,150 150.36(2)[1]
63 Europium Eu 6 Lanthanide 0,000,151 151.964(1)[1]
64 Gadolinium Gd 6 Lanthanide 0,000,157 157.25(3)[1]
65 Terbium Tb 6 Lanthanide 0,000,158 158.92535(2)
66 Dysprosium Dy 6 Lanthanide 0,000,162 162.500(1)[1]
67 Holmium Ho 6 Lanthanide 0,000,164 164.93032(2)
68 Erbium Er 6 Lanthanide 0,000,167 167.259(3)[1]
69 Thulium Tm 6 Lanthanide 0,000,168 168.93421(2)
70 Ytterbium Yb 6 Lanthanide 0,000,173 173.04(3)[1]
71 Lutetium Lu 6 3 Lanthanide 0,000,174 174.967(1)[1]
72 Hafnium Hf 6 4 Transition metal 0,000,178 178.49(2)
73 Tantalum Ta 6 5 Transition metal 0,000,180 180.9479(1)
74 Tungsten W 6 6 Transition metal 0,000,183 183.84(1)
75 Rhenium Re 6 7 Transition metal 0,000,186 186.207(1)
76 Osmium Os 6 8 Transition metal 0,000,190 190.23(3)[1]
77 Iridium Ir 6 9 Transition metal 0,000,192 192.217(3)
78 Platinum Pt 6 10 Transition metal 0,000,195 195.084(9)
79 Gold Au 6 11 Transition metal 0,000,196 196.966569(4)
80 Mercury Hg 6 12 Transition metal 0,000,200 200.59(2)
81 Thallium Tl 6 13 Poor metal 0,000,204 204.3833(2)
82 Lead Pb 6 14 Poor metal 0,000,207 207.2(1)[1][3]
83 Bismuth Bi 6 15 Poor metal 0,000,208 208.98040(1)
84 Polonium Po 6 16 Metalloid 0,000,208 [208.9824][5]
85 Astatine At 6 17 Halogen 0,000,209 [209.9871][5]
86 Radon Rn 6 18 Noble gas 0,000,222 [222.0176][5]
87 Francium Fr 7 1 Alkali metal 0,000,223 [223.0197][5]
88 Radium Ra 7 2 Alkaline earth metal 0,000,226 [226.0254][5]
89 Actinium Ac 7 Actinide 0,000,227 [227.0278][5]
90 Thorium Th 7 Actinide 0,000,232 232.03806(2)[1][5]
91 Protactinium Pa 7 Actinide 0,000,231 231.03588(2)[5]
92 Uranium U 7 Actinide 0,000,238 238.02891(3)[1][2][5]
93 Neptunium Np 7 Actinide 0,000,237 [237.0482][5]
94 Plutonium Pu 7 Actinide 0,000,244 [244.0642][5]
95 Americium Am 7 Actinide 0,000,243 [243.0614][5]
96 Curium Cm 7 Actinide 0,000,247 [247.0703][5]
97 Berkelium Bk 7 Actinide 0,000,247 [247.0703][5]
98 Californium Cf 7 Actinide 0,000,251 [251.0796][5]
99 Einsteinium Es 7 Actinide 0,000,252 [252.0829][5]
100 Fermium Fm 7 Actinide 0,000,257 [257.0951][5]
101 Mendelevium Md 7 Actinide 0,000,258 [258.0986][5]
102 Nobelium No 7 Actinide 0,000,259 [259.1009][5]
103 Lawrencium Lr 7 3 Actinide 0,000,260 [260.1053][5]
104 Rutherfordium Rf 7 4 Transition metal 0,000,261 [261.1087][5]
105 Dubnium Db 7 5 Transition metal 0,000,262 [262.1138][5]
106 Seaborgium Sg 7 6 Transition metal 0,000,263 [263.1182][5]
107 Bohrium Bh 7 7 Transition metal 0,000,262 [262.1229][5]
108 Hassium Hs 7 8 Transition metal 0,000,265 [265][5]
109 Meitnerium Mt 7 9 Transition metal 0,000,266 [266][5]
110 Darmstadtium Ds 7 10 Transition metal 0,000,269 [269][5]
111 Roentgenium Rg 7 11 Transition metal 0,000,272 [272][5]
112 Ununbium Uub 7 12 Transition metal 0,000,285 [285][5]
113 Ununtrium Uut 7 13 Poor metal 0,000,284 [284][5]
114 Ununquadium Uuq 7 14 Poor metal 0,000,289 [289][5]
115 Ununpentium Uup 7 15 Poor metal 0,000,288 [288][5]
116 Ununhexium Uuh 7 16 Poor metal 0,000,292 [292][5]
117 Ununseptium Uus 7 17 Halogen 0,000,293 [295] [6]
118 Ununoctium Uuo 7 18 Noble gas 0,000,294 [294][5]
  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.
  3. 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 The isotopic composition varies in terrestrial material such that a more precise atomic weight can not be given.
  4. The atomic weight of commercial Lithium can vary between 6.939 and 6.996—analysis of the specific material is necessary to find a more accurate value.
  5. 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 5.12 5.13 5.14 5.15 5.16 5.17 5.18 5.19 5.20 5.21 5.22 5.23 5.24 5.25 5.26 5.27 5.28 5.29 5.30 5.31 5.32 5.33 5.34 5.35 The element does not have any stable nuclides, and a value in brackets, e.g. [209], indicates the mass number of the longest-lived isotope of the element or characteristic isotopic composition.
  6. This element has not been discovered/synthesized.