উইকিপিডিয়া, মুক্ত বিশ্বকোষ থেকে
পারমানবিক সংখ্যা |
নাম |
পারমানবিক প্রতীক |
পর্যায়, শ্রেণী |
পারমানবিক ভর (গ্রাম/মোল) |
1 |
Hydrogen |
H |
1, 1 |
1.00794(7)[১] [২] [৩] |
2 |
Helium |
He |
1, 18 |
4.002602(2)[১] [৩] |
3 |
Lithium |
Li |
2, 1 |
6.941(2)[১] [২] [৩] [৪] |
4 |
Beryllium |
Be |
2, 2 |
9.012182(3) |
5 |
Boron |
B |
2, 13 |
10.811(7)[১] [২] [৩] |
6 |
Carbon |
C |
2, 14 |
12.0107(8)[১] [৩] |
7 |
Nitrogen |
N |
2, 15 |
14.0067(2)[১] [৩] |
8 |
Oxygen |
O |
2, 16 |
15.9994(3)[১] [৩] |
9 |
Fluorine |
F |
2, 17 |
18.9984032(5) |
10 |
Neon |
Ne |
2, 18 |
20.1797(6)[১] [২] |
11 |
Sodium |
Na |
3, 1 |
22.98976928(2) |
12 |
Magnesium |
Mg |
3, 2 |
24.3050(6) |
13 |
Aluminium |
Al |
3, 13 |
26.9815386(8) |
14 |
Silicon |
Si |
3, 14 |
28.0855(3)[৩] |
15 |
Phosphorus |
P |
3, 15 |
30.973762(2) |
16 |
Sulfur |
S |
3, 16 |
32.065(5)[১] [৩] |
17 |
Chlorine |
Cl |
3, 17 |
35.453(2)[১] [২] [৩] |
18 |
Argon |
Ar |
3, 18 |
39.948(1)[১] [৩] |
19 |
Potassium |
K |
4, 1 |
39.0983(1) |
20 |
Calcium |
Ca |
4, 2 |
40.078(4)[১] |
21 |
Scandium |
Sc |
4, 3 |
44.955912(6) |
22 |
Titanium |
Ti |
4, 4 |
47.867(1) |
23 |
Vanadium |
V |
4, 5 |
50.9415(1) |
24 |
Chromium |
Cr |
4, 6 |
51.9961(6) |
25 |
Manganese |
Mn |
4, 7 |
54.938045(5) |
26 |
Iron |
Fe |
4, 8 |
55.845(2) |
27 |
Cobalt |
Co |
4, 9 |
58.933195(5) |
28 |
Nickel |
Ni |
4, 10 |
58.6934(2) |
29 |
Copper |
Cu |
4, 11 |
63.546(3)[৩] |
30 |
Zinc |
Zn |
4, 12 |
65.409(4) |
31 |
Gallium |
Ga |
4, 13 |
69.723(1) |
32 |
Germanium |
Ge |
4, 14 |
72.64(1) |
33 |
Arsenic |
As |
4, 15 |
74.92160(2) |
34 |
Selenium |
Se |
4, 16 |
78.96(3)[৩] |
35 |
Bromine |
Br |
4, 17 |
79.904(1) |
36 |
Krypton |
Kr |
4, 18 |
83.798(2)[১] [২] |
37 |
Rubidium |
Rb |
5, 1 |
85.4678(3)[১] |
38 |
Strontium |
Sr |
5, 2 |
87.62(1)[১] [৩] |
39 |
Yttrium |
Y |
5, 3 |
88.90585(2) |
40 |
Zirconium |
Zr |
5, 4 |
91.224(2)[১] |
41 |
Niobium |
Nb |
5, 5 |
92.906 38(2) |
42 |
Molybdenum |
Mo |
5, 6 |
95.94(2)[১] |
43 |
Technetium |
Tc |
5, 7 |
[98.9063][৫] |
44 |
Ruthenium |
Ru |
5, 8 |
101.07(2)[১] |
45 |
Rhodium |
Rh |
5, 9 |
102.90550(2) |
46 |
Palladium |
Pd |
5, 10 |
106.42(1)[১] |
47 |
Silver |
Ag |
5, 11 |
107.8682(2)[১] |
48 |
Cadmium |
Cd |
5, 12 |
112.411(8)[১] |
49 |
Indium |
In |
5, 13 |
114.818(3) |
50 |
Tin |
Sn |
5, 14 |
118.710(7)[১] |
51 |
Antimony |
Sb |
5, 15 |
121.760(1)[১] |
52 |
Tellurium |
Te |
5, 16 |
127.60(3)[১] |
53 |
Iodine |
I |
5, 17 |
126.90447(3) |
54 |
Xenon |
Xe |
5, 18 |
131.293(6)[১] [২] |
55 |
Caesium |
Cs |
6, 1 |
132.9054519(2) |
56 |
Barium |
Ba |
6, 2 |
137.327(7) |
57 |
Lanthanum |
La |
6 |
138.90547(7)[১] |
58 |
Cerium |
Ce |
6 |
140.116(1)[১] |
59 |
Praseodymium |
Pr |
6 |
140.90765(2) |
60 |
Neodymium |
Nd |
6 |
144.242(3)[১] |
61 |
Promethium |
Pm |
6 |
[146.9151][৫] |
62 |
Samarium |
Sm |
6 |
150.36(2)[১] |
63 |
Europium |
Eu |
6 |
151.964(1)[১] |
64 |
Gadolinium |
Gd |
6 |
157.25(3)[১] |
65 |
Terbium |
Tb |
6 |
158.92535(2) |
66 |
Dysprosium |
Dy |
6 |
162.500(1)[১] |
67 |
Holmium |
Ho |
6 |
164.93032(2) |
68 |
Erbium |
Er |
6 |
167.259(3)[১] |
69 |
Thulium |
Tm |
6 |
168.93421(2) |
70 |
Ytterbium |
Yb |
6 |
173.04(3)[১] |
71 |
Lutetium |
Lu |
6, 3 |
174.967(1)[১] |
72 |
Hafnium |
Hf |
6, 4 |
178.49(2) |
73 |
Tantalum |
Ta |
6, 5 |
180.9479(1) |
74 |
Tungsten |
W |
6, 6 |
183.84(1) |
75 |
Rhenium |
Re |
6, 7 |
186.207(1) |
76 |
Osmium |
Os |
6, 8 |
190.23(3)[১] |
77 |
Iridium |
Ir |
6, 9 |
192.217(3) |
78 |
Platinum |
Pt |
6, 10 |
195.084(9) |
79 |
Gold |
Au |
6, 11 |
196.966569(4) |
80 |
Mercury |
Hg |
6, 12 |
200.59(2) |
81 |
Thallium |
Tl |
6, 13 |
204.3833(2) |
82 |
Lead |
Pb |
6, 14 |
207.2(1)[১] [৩] |
83 |
Bismuth |
Bi |
6, 15 |
208.98040(1) |
84 |
Polonium |
Po |
6, 16 |
[208.9824][৫] |
85 |
Astatine |
At |
6, 17 |
[209.9871][৫] |
86 |
Radon |
Rn |
6, 18 |
[222.0176][৫] |
87 |
Francium |
Fr |
7, 1 |
[223.0197][৫] |
88 |
Radium |
Ra |
7, 2 |
[226.0254][৫] |
89 |
Actinium |
Ac |
7 |
[227.0278][৫] |
90 |
Thorium |
Th |
7 |
232.03806(2)[৫] [১] |
91 |
Protactinium |
Pa |
7 |
231.03588(2)[৫] |
92 |
Uranium |
U |
7 |
238.02891(3)[৫] [১] [২] |
93 |
Neptunium |
Np |
7 |
[237.0482][৫] |
94 |
Plutonium |
Pu |
7 |
[244.0642][৫] |
95 |
Americium |
Am |
7 |
[243.0614][৫] |
96 |
Curium |
Cm |
7 |
[247.0703][৫] |
97 |
Berkelium |
Bk |
7 |
[247.0703][৫] |
98 |
Californium |
Cf |
7 |
[251.0796][৫] |
99 |
Einsteinium |
Es |
7 |
[252.0829][৫] |
100 |
Fermium |
Fm |
7 |
[257.0951][৫] |
101 |
Mendelevium |
Md |
7 |
[258.0986][৫] |
102 |
Nobelium |
No |
7 |
[259.1009][৫] |
103 |
Lawrencium |
Lr |
7, 3 |
[260.1053][৫] |
104 |
Rutherfordium |
Rf |
7, 4 |
[261.1087][৫] |
105 |
Dubnium |
Db |
7, 5 |
[262.1138][৫] |
106 |
Seaborgium |
Sg |
7, 6 |
[263.1182][৫] |
107 |
Bohrium |
Bh |
7, 7 |
[262.1229][৫] |
108 |
Hassium |
Hs |
7, 8 |
[265][৫] |
109 |
Meitnerium |
Mt |
7, 9 |
[266][৫] |
110 |
Darmstadtium |
Ds |
7, 10 |
[269][৫] |
111 |
Roentgenium |
Rg |
7, 11 |
[272][৫] |
112 |
Ununbium |
Uub |
7, 12 |
[285][৫] |
113 |
Ununtrium |
Uut |
7, 13 |
[284][৫] |
114 |
Ununquadium |
Uuq |
7, 14 |
[289][৫] |
115 |
Ununpentium |
Uup |
7, 15 |
[288][৫] |
116 |
Ununhexium |
Uuh |
7, 16 |
[292][৫] |
117 |
Ununseptium |
Uus |
7, 17 |
[৬] |
118 |
Ununoctium |
Uuo |
7, 18 |
[294][৫] |
- ↑ ১.০০ ১.০১ ১.০২ ১.০৩ ১.০৪ ১.০৫ ১.০৬ ১.০৭ ১.০৮ ১.০৯ ১.১০ ১.১১ ১.১২ ১.১৩ ১.১৪ ১.১৫ ১.১৬ ১.১৭ ১.১৮ ১.১৯ ১.২০ ১.২১ ১.২২ ১.২৩ ১.২৪ ১.২৫ ১.২৬ ১.২৭ ১.২৮ ১.২৯ ১.৩০ ১.৩১ ১.৩২ ১.৩৩ ১.৩৪ ১.৩৫ ১.৩৬ ১.৩৭ ১.৩৮ The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.
- ↑ ২.০ ২.১ ২.২ ২.৩ ২.৪ ২.৫ ২.৬ ২.৭ The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.
- ↑ ৩.০০ ৩.০১ ৩.০২ ৩.০৩ ৩.০৪ ৩.০৫ ৩.০৬ ৩.০৭ ৩.০৮ ৩.০৯ ৩.১০ ৩.১১ ৩.১২ ৩.১৩ ৩.১৪ The isotopic composition varies in terrestrial material such that a more precise atomic weight can not be given.
- ↑ 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.
- ↑ ৫.০০ ৫.০১ ৫.০২ ৫.০৩ ৫.০৪ ৫.০৫ ৫.০৬ ৫.০৭ ৫.০৮ ৫.০৯ ৫.১০ ৫.১১ ৫.১২ ৫.১৩ ৫.১৪ ৫.১৫ ৫.১৬ ৫.১৭ ৫.১৮ ৫.১৯ ৫.২০ ৫.২১ ৫.২২ ৫.২৩ ৫.২৪ ৫.২৫ ৫.২৬ ৫.২৭ ৫.২৮ ৫.২৯ ৫.৩০ ৫.৩১ ৫.৩২ ৫.৩৩ ৫.৩৪ ৫.৩৫ 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.
- ↑ This element has not been discovered.