Àwọn àkójọ nọ́mbà átọ́mù àwọn apilẹ̀sẹ̀

Ọ́ jẹ́ tábìlì àwọn ẹ́límẹ̀ntì tí a tò gẹ́gẹ́ bí atomic number wọn tí a sì fi àwọ̀ se àmì ìyàtò láàrin wọn.

Some element categories in the periodic table

Metals						Metalloids	Nonmetals			Unknown chemical properties
Alkali metals	Alkaline earth metals	Inner transition metals		Transition metals	Post-transition metals		Other nonmetals	Halogens	Noble gases
		Lanthanides	Actinides

Z	Name	Sym	Period	Group	Chemical series	Mass (g/mol)
1	Hydrogen	H	1	1	Nonmetal	0,000,001 1.00794(7)^[1]^[2]^[3]
2	Helium	He	1	18	Noble gas	0,000,004 4.002602(2)^[1]^[3]
3	Lithium	Li	2	1	Alkali metal	0,000,006 6.941(2)^[1]^[2]^[3]^[4]
4	Beryllium	Be	2	2	Alkaline earth metal	0,000,009 9.012182(3)
5	Boron	B	2	13	Metalloid	0,000,010 10.811(7)^[1]^[2]^[3]
6	Carbon	C	2	14	Nonmetal	0,000,012 12.0107(8)^[1]^[3]
7	Nitrogen	N	2	15	Nonmetal	0,000,014 14.0067(2)^[1]^[3]
8	Oxygen	O	2	16	Nonmetal	0,000,015 15.9994(3)^[1]^[3]
9	Fluorine	F	2	17	Halogen	0,000,018 18.9984032(5)
10	Neon	Ne	2	18	Noble gas	0,000,020 20.1797(6)^[1]^[2]
11	Sodium	Na	3	1	Alkali metal	0,000,022 22.98976928(2)
12	Magnesium	Mg	3	2	Alkaline earth metal	0,000,024 24.3050(6)
13	Aluminium	Al	3	13	Poor metal	0,000,026 26.9815386(8)
14	Silicon	Si	3	14	Metalloid	0,000,028 28.0855(3)^[3]
15	Phosphorus	P	3	15	Nonmetal	0,000,030 30.973762(2)
16	Sulfur	S	3	16	Nonmetal	0,000,032 32.065(5)^[1]^[3]
17	Chlorine	Cl	3	17	Halogen	0,000,035 35.453(2)^[1]^[2]^[3]
18	Argon	Ar	3	18	Noble gas	0,000,039 39.948(1)^[1]^[3]
19	Potassium	K	4	1	Alkali metal	0,000,039 39.0983(1)
20	Calcium	Ca	4	2	Alkaline earth metal	0,000,040 40.078(4)^[1]
21	Scandium	Sc	4	3	Transition metal	0,000,044 44.955912(6)
22	Titanium	Ti	4	4	Transition metal	0,000,047 47.867(1)
23	Vanadium	V	4	5	Transition metal	0,000,050 50.9415(1)
24	Chromium	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	Iron	Fe	4	8	Transition metal	0,000,055 55.845(2)
27	Cobalt	Co	4	9	Transition metal	0,000,058 58.933195(5)
28	Nickel	Ni	4	10	Transition metal	0,000,058 58.6934(4)
29	Copper	Cu	4	11	Transition metal	0,000,063 63.546(3)^[3]
30	Zinc	Zn	4	12	Transition metal	0,000,065 65.38(2)
31	Gallium	Ga	4	13	Poor metal	0,000,069 69.723(1)
32	Germanium	Ge	4	14	Metalloid	0,000,072 72.64(1)
33	Arsenic	As	4	15	Metalloid	0,000,074 74.92160(2)
34	Selenium	Se	4	16	Nonmetal	0,000,078 78.96(3)^[3]
35	Bromine	Br	4	17	Halogen	0,000,079 79.904(1)
36	Krypton	Kr	4	18	Noble gas	0,000,083 83.798(2)^[1]^[2]
37	Rubidium	Rb	5	1	Alkali metal	0,000,085 85.4678(3)^[1]
38	Strontium	Sr	5	2	Alkaline earth metal	0,000,087 87.62(1)^[1]^[3]
39	Yttrium	Y	5	3	Transition metal	0,000,088 88.90585(2)
40	Zirconium	Zr	5	4	Transition metal	0,000,091 91.224(2)^[1]
41	Niobium	Nb	5	5	Transition metal	0,000,092 92.90638(2)
42	Molybdenum	Mo	5	6	Transition metal	0,000,095 95.96(2)^[1]
43	Technetium	Tc	5	7	Transition metal	0,000,098 [98.9063]^[5]
44	Ruthenium	Ru	5	8	Transition metal	0,000,101 101.07(2)^[1]
45	Rhodium	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		Lanthanoid	0,000,138 138.90547(7)^[1]
58	Cerium	Ce	6		Lanthanoid	0,000,140 140.116(1)^[1]
59	Praseodymium	Pr	6		Lanthanoid	0,000,140 140.90765(2)
60	Neodymium	Nd	6		Lanthanoid	0,000,144 144.242(3)^[1]
61	Promethium	Pm	6		Lanthanoid	0,000,146 [146.9151]^[5]
62	Samarium	Sm	6		Lanthanoid	0,000,150 150.36(2)^[1]
63	Europium	Eu	6		Lanthanoid	0,000,151 151.964(1)^[1]
64	Gadolinium	Gd	6		Lanthanoid	0,000,157 157.25(3)^[1]
65	Terbium	Tb	6		Lanthanoid	0,000,158 158.92535(2)
66	Dysprosium	Dy	6		Lanthanoid	0,000,162 162.500(1)^[1]
67	Holmium	Ho	6		Lanthanoid	0,000,164 164.93032(2)
68	Erbium	Er	6		Lanthanoid	0,000,167 167.259(3)^[1]
69	Thulium	Tm	6		Lanthanoid	0,000,168 168.93421(2)
70	Ytterbium	Yb	6		Lanthanoid	0,000,173 173.054(5)^[1]
71	Lutetium	Lu	6	3	Lanthanoid	0,000,174 174.9668(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		Actinoid	0,000,227 [227.0278]^[5]
90	Thorium	Th	7		Actinoid	0,000,232 232.03806(2)^[1]^[5]
91	Protactinium	Pa	7		Actinoid	0,000,231 231.03588(2)^[5]
92	Uranium	U	7		Actinoid	0,000,238 238.02891(3)^[1]^[2]^[5]
93	Neptunium	Np	7		Actinoid	0,000,237 [237.0482]^[5]
94	Plutonium	Pu	7		Actinoid	0,000,244 [244.0642]^[5]
95	Americium	Am	7		Actinoid	0,000,243 [243.0614]^[5]
96	Curium	Cm	7		Actinoid	0,000,247 [247.0704]^[5]
97	Berkelium	Bk	7		Actinoid	0,000,247 [247.0703]^[5]
98	Californium	Cf	7		Actinoid	0,000,251 [251.0796]^[5]
99	Einsteinium	Es	7		Actinoid	0,000,252 [252.0829]^[5]
100	Fermium	Fm	7		Actinoid	0,000,257 [257.0951]^[5]
101	Mendelevium	Md	7		Actinoid	0,000,258 [258.0986]^[5]
102	Nobelium	No	7		Actinoid	0,000,259 [259.1009]^[5]
103	Lawrencium	Lr	7	3	Actinoid	0,000,260 [264]^[5]
104	Rutherfordium	Rf	7	4	Transition metal	0,000,261 [265]^[5]
105	Dubnium	Db	7	5	Transition metal	0,000,262 [268]^[5]
106	Seaborgium	Sg	7	6	Transition metal	0,000,263 [272]^[5]
107	Bohrium	Bh	7	7	Transition metal	0,000,262 [273]^[5]
108	Hassium	Hs	7	8	Transition metal	0,000,265 [276]^[5]
109	Meitnerium	Mt	7	9	Transition metal	0,000,266 [279]^[5]
110	Darmstadtium	Ds	7	10	Transition metal	0,000,269 [278]^[5]
111	Roentgenium	Rg	7	11	Transition metal	0,000,272 [283]^[5]
112	Copernicium	Cn	7	12	Transition metal	0,000,285 [285]^[5]
113	Ununtrium	Uut	7	13	Poor metal	0,000,284 [287]^[5]
114	Ununquadium	Uuq	7	14	Poor metal	0,000,289 [289]^[5]
115	Ununpentium	Uup	7	15	Poor metal	0,000,288 [291]^[5]
116	Ununhexium	Uuh	7	16	Poor metal	0,000,292 [293]^[5]
117	Ununseptium	Uus	7	17	Halogen	0,000,293 [295]^[5]
118	Ununoctium	Uuo	7	18	Noble gas	0,000,294 [294]^[5]

Some element categories in the periodic table

Metals						Metalloids	Nonmetals			Unknown chemical properties
Alkali metals	Alkaline earth metals	Inner transition metals		Transition metals	Post-transition metals		Other nonmetals	Halogens	Noble gases
		Lanthanides	Actinides

Notes

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.
1 2 3 4 5 6 7 8 The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 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.

References

M. E. Wieser (2006). "Atomic weights of the elements 2005 (IUPAC Technical Report)". Pure Appl. Chem. (IUPAC) 78 (11): 2051–2066. doi:10.1351/pac200678112051. (for atomic weights of elements with atomic numbers from 1-102)
M. E. Wieser (2007). "IUPAC Standard Atomic Weights Revised (2007)". IUPAC. Retrieved 2008-07-07.
Sonzogni, Alejandro. "Interactive Chart of Nuclides". National Nuclear Data Center: Brookhaven National Laboratory. Retrieved 2008-06-06. (for atomic weights of elements with atomic numbers 103-118)

[fn_2-1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.

[fn_3-2] 1 2 3 4 5 6 7 8 The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.

[fn_4-3] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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.

[fn_1-5] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 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.

[1]

[2]

[3]

[4]

[5]

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