प्लैटिनम

मुक्त ज्ञानकोश विकिपीडिया से
यहाँ जाएँ: भ्रमण, खोज

यह एक धातु है।

  वा  
आवर्त सारणी
Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Alkali metals Alkaline earth metals Pnicto­gens Chal­co­gens Halo­gens Noble gases
Period

1

1:
2:
2
3:
4:
5:
6:
7:
8:
9:
10:
3
11:
12:
13:
14:
15:
16:
17:
18:
4
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
5
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
6
55:
56:
*
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:
86:
7
87:
88:
**
104:
105:
106:
107:
108:
109:
110:
111:
112:
113:
114:
115:
116:
117:
118:
Lantha­nides
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
 
** Acti­nides
89:
90:
91:
92:
93:
94:
95:
96:
97:
98:
99:
100:
101:
102:
103:
 
Color of the atomic number shows state of matter (at 0 °C and 1 atm): black=Solid green=Liquid red=Gas grey=Unknown
Border shows natural occurrence of the element: Primordial From decay Synthetic
Metal Metalloid Nonmetal Unknown
chemical
properties
Alkali metal Alkaline earth metal Inner transition metal Transition metal Poor metal Polyatomic nonmetal Diatomic nonmetal Noble gas
Lan­thanide Actinide