Grafik tabel periodik

Tabel elektron valensi

Elektron valensi adalah elektron di kulit terluar atom, yang ikut serta dalam ikatan kimia. Pada unsur golongan utama, jumlahnya mengikuti nomor golongan.

Unduh grafik

Tidak ada data

Kotak yang lebih terang di blok d dan f menunjukkan jumlah elektron kulit terluar; elektron valensi unsur-unsur ini juga dapat mencakup elektron d atau f bagian dalam.

Trennya

Golongan 1 dan 2 memiliki 1 dan 2 elektron valensi; golongan 13 sampai 18 memiliki 3 sampai 8 (helium memiliki 2). Atom cenderung menangkap, melepas, atau berbagi elektron sampai kulit terluarnya penuh dengan delapan elektron, yaitu aturan oktet, sehingga jumlah elektron valensi meramalkan berapa ikatan yang dibentuk sebuah unsur dan muatan ionnya.

Tabel elektron valensi semua unsur

No.	Unsur	Elektron valensi	Elektron per kulit
1	Hidrogen (H)	1	1
2	Helium (He)	2	2
3	Litium (Li)	1	2, 1
4	Berilium (Be)	2	2, 2
5	Boron (B)	3	2, 3
6	Karbon (C)	4	2, 4
7	Nitrogen (N)	5	2, 5
8	Oksigen (O)	6	2, 6
9	Fluorin (F)	7	2, 7
10	Neon (Ne)	8	2, 8
11	Natrium (Na)	1	2, 8, 1
12	Magnesium (Mg)	2	2, 8, 2
13	Aluminium (Al)	3	2, 8, 3
14	Silikon (Si)	4	2, 8, 4
15	Fosfor (P)	5	2, 8, 5
16	Belerang (S)	6	2, 8, 6
17	Klorin (Cl)	7	2, 8, 7
18	Argon (Ar)	8	2, 8, 8
19	Kalium (K)	1	2, 8, 8, 1
20	Kalsium (Ca)	2	2, 8, 8, 2
21	Skandium (Sc)	(2)	2, 8, 9, 2
22	Titanium (Ti)	(2)	2, 8, 10, 2
23	Vanadium (V)	(2)	2, 8, 11, 2
24	Kromium (Cr)	(1)	2, 8, 13, 1
25	Mangan (Mn)	(2)	2, 8, 13, 2
26	Besi (Fe)	(2)	2, 8, 14, 2
27	Kobalt (Co)	(2)	2, 8, 15, 2
28	Nikel (Ni)	(2)	2, 8, 16, 2
29	Tembaga (Cu)	(1)	2, 8, 18, 1
30	Seng (Zn)	(2)	2, 8, 18, 2
31	Galium (Ga)	3	2, 8, 18, 3
32	Germanium (Ge)	4	2, 8, 18, 4
33	Arsen (As)	5	2, 8, 18, 5
34	Selenium (Se)	6	2, 8, 18, 6
35	Bromin (Br)	7	2, 8, 18, 7
36	Kripton (Kr)	8	2, 8, 18, 8
37	Rubidium (Rb)	1	2, 8, 18, 8, 1
38	Stronsium (Sr)	2	2, 8, 18, 8, 2
39	Itrium (Y)	(2)	2, 8, 18, 9, 2
40	Zirkonium (Zr)	(2)	2, 8, 18, 10, 2
41	Niobium (Nb)	(1)	2, 8, 18, 12, 1
42	Molibdenum (Mo)	(1)	2, 8, 18, 13, 1
43	Teknetium (Tc)	(2)	2, 8, 18, 13, 2
44	Rutenium (Ru)	(1)	2, 8, 18, 15, 1
45	Rodium (Rh)	(1)	2, 8, 18, 16, 1
46	Paladium (Pd)	(18)	2, 8, 18, 18
47	Perak (Ag)	(1)	2, 8, 18, 18, 1
48	Kadmium (Cd)	(2)	2, 8, 18, 18, 2
49	Indium (In)	3	2, 8, 18, 18, 3
50	Timah (Sn)	4	2, 8, 18, 18, 4
51	Antimon (Sb)	5	2, 8, 18, 18, 5
52	Telurium (Te)	6	2, 8, 18, 18, 6
53	Iodin (I)	7	2, 8, 18, 18, 7
54	Xenon (Xe)	8	2, 8, 18, 18, 8
55	Sesium (Cs)	1	2, 8, 18, 18, 8, 1
56	Barium (Ba)	2	2, 8, 18, 18, 8, 2
57	Lantanum (La)	(2)	2, 8, 18, 18, 9, 2
58	Serium (Ce)	(2)	2, 8, 18, 19, 9, 2
59	Praseodimium (Pr)	(2)	2, 8, 18, 21, 8, 2
60	Neodimium (Nd)	(2)	2, 8, 18, 22, 8, 2
61	Prometium (Pm)	(2)	2, 8, 18, 23, 8, 2
62	Samarium (Sm)	(2)	2, 8, 18, 24, 8, 2
63	Europium (Eu)	(2)	2, 8, 18, 25, 8, 2
64	Gadolinium (Gd)	(2)	2, 8, 18, 25, 9, 2
65	Terbium (Tb)	(2)	2, 8, 18, 27, 8, 2
66	Disprosium (Dy)	(2)	2, 8, 18, 28, 8, 2
67	Holmium (Ho)	(2)	2, 8, 18, 29, 8, 2
68	Erbium (Er)	(2)	2, 8, 18, 30, 8, 2
69	Tulium (Tm)	(2)	2, 8, 18, 31, 8, 2
70	Iterbium (Yb)	(2)	2, 8, 18, 32, 8, 2
71	Lutesium (Lu)	(2)	2, 8, 18, 32, 9, 2
72	Hafnium (Hf)	(2)	2, 8, 18, 32, 10, 2
73	Tantalum (Ta)	(2)	2, 8, 18, 32, 11, 2
74	Wolfram (W)	(2)	2, 8, 18, 32, 12, 2
75	Renium (Re)	(2)	2, 8, 18, 32, 13, 2
76	Osmium (Os)	(2)	2, 8, 18, 32, 14, 2
77	Iridium (Ir)	(2)	2, 8, 18, 32, 15, 2
78	Platina (Pt)	(1)	2, 8, 18, 32, 17, 1
79	Emas (Au)	(1)	2, 8, 18, 32, 18, 1
80	Raksa (Hg)	(2)	2, 8, 18, 32, 18, 2
81	Talium (Tl)	3	2, 8, 18, 32, 18, 3
82	Timbal (Pb)	4	2, 8, 18, 32, 18, 4
83	Bismut (Bi)	5	2, 8, 18, 32, 18, 5
84	Polonium (Po)	6	2, 8, 18, 32, 18, 6
85	Astatin (At)	7	2, 8, 18, 32, 18, 7
86	Radon (Rn)	8	2, 8, 18, 32, 18, 8
87	Fransium (Fr)	1	2, 8, 18, 32, 18, 8, 1
88	Radium (Ra)	2	2, 8, 18, 32, 18, 8, 2
89	Aktinium (Ac)	(2)	2, 8, 18, 32, 18, 9, 2
90	Torium (Th)	(2)	2, 8, 18, 32, 18, 10, 2
91	Protaktinium (Pa)	(2)	2, 8, 18, 32, 20, 9, 2
92	Uranium (U)	(2)	2, 8, 18, 32, 21, 9, 2
93	Neptunium (Np)	(2)	2, 8, 18, 32, 22, 9, 2
94	Plutonium (Pu)	(2)	2, 8, 18, 32, 24, 8, 2
95	Amerisium (Am)	(2)	2, 8, 18, 32, 25, 8, 2
96	Kurium (Cm)	(2)	2, 8, 18, 32, 25, 9, 2
97	Berkelium (Bk)	(2)	2, 8, 18, 32, 27, 8, 2
98	Kalifornium (Cf)	(2)	2, 8, 18, 32, 28, 8, 2
99	Einsteinium (Es)	(2)	2, 8, 18, 32, 29, 8, 2
100	Fermium (Fm)	(2)	2, 8, 18, 32, 30, 8, 2
101	Mendelevium (Md)	(2)	2, 8, 18, 32, 31, 8, 2
102	Nobelium (No)	(2)	2, 8, 18, 32, 32, 8, 2
103	Lawrensium (Lr)	(3)	2, 8, 18, 32, 32, 8, 3
104	Rutherfordium (Rf)	(2)	2, 8, 18, 32, 32, 10, 2
105	Dubnium (Db)	(2)	2, 8, 18, 32, 32, 11, 2
106	Seaborgium (Sg)	(2)	2, 8, 18, 32, 32, 12, 2
107	Bohrium (Bh)	(2)	2, 8, 18, 32, 32, 13, 2
108	Hasium (Hs)	(2)	2, 8, 18, 32, 32, 14, 2
109	Meitnerium (Mt)	(2)	2, 8, 18, 32, 32, 15, 2
110	Darmstadtium (Ds)	(2)	2, 8, 18, 32, 32, 16, 2
111	Roentgenium (Rg)	(2)	2, 8, 18, 32, 32, 17, 2
112	Kopernisium (Cn)	(2)	2, 8, 18, 32, 32, 18, 2
113	Nihonium (Nh)	3	2, 8, 18, 32, 32, 18, 3
114	Flerovium (Fl)	4	2, 8, 18, 32, 32, 18, 4
115	Moskovium (Mc)	5	2, 8, 18, 32, 32, 18, 5
116	Livermorium (Lv)	6	2, 8, 18, 32, 32, 18, 6
117	Tenesin (Ts)	7	2, 8, 18, 32, 32, 18, 7
118	Oganeson (Og)	8	2, 8, 18, 32, 32, 18, 8