5.
Which of the following is the symbol of potassium?
b. Po
a. P
c.K
Answers
Answer:
Every element has a one- or two-letter abbreviation based either on its English name or its Latin or Greek name.
The table below lists the atomic numbers, symbols, and names of all the elements, with the derivations for the symbols which are not of English origin. A complete list of derivations of the names of the elements may be found here.
Atomic
Number Symbol Name Atomic Mass
(amu, g/mol) Notes
89 Ac Actinium 227.0278
13 Al Aluminum 26.98154 In some European countries, the element name is spelled "aluminium"
95 Am Americium (243)
51 Sb Antimony 121.75 Sb comes from the Latin name for the mineral antimony sulfide, stibium
18 Ar Argon 39.948
33 As Arsenic 74.9216
85 At Astatine (210)
56 Ba Barium 137.33
97 Bk Berkelium (247)
4 Be Beryllium 9.01218
83 Bi Bismuth 208.9804
107 Bh Bohrium (262)
5 B Boron 10.81
35 Br Bromine 79.904
48 Cd Cadmium 112.41
20 Ca Calcium 40.08
98 Cf Californium (251)
6 C Carbon 12.011
58 Ce Cerium 140.12 In some European countries, the element names is spelled "caesium"
55 Cs Cesium 132.9054
17 Cl Chlorine 35.453
24 Cr Chromium 51.996
27 Co Cobalt 58.9332
29 Cu Copper 63.546
96 Cm Curium (247)
110 Ds Darmstadtium (269)
105 Db Dubnium (262)
66 Dy Dysprosium 162.50
99 Es Einsteinium (252)
68 Er Erbium 167.26
63 Eu Europium 151.96
100 Fm Fermium (257)
9 F Fluorine 18.998403
87 Fr Francium (223)
64 Gd Gadolinium 157.25
31 Ga Gallium 69.72
32 Ge Germanium 72.59
79 Au Gold 196.9665 Au comes from the Latin name, aurum, "shining dawn"
72 Hf Hafnium 178.49
108 Hs Hassium (255)
2 He Helium 4.00260
67 Ho Holmium 164.9304
1 H Hydrogen 1.00797
49 In Indium 114.82
53 I Iodine 126.9045
77 Ir Iridium 192.22
26 Fe Iron 55.847 Fe comes from the Latin name, ferrum
36 Kr Krypton 83.80
57 La Lanthanum 138.9055
103 Lr Lawrencium (260)
82 Pb Lead 207.2 Pb comes from the Latin name, plumbum
3 Li Lithium 6.941
71 Lu Lutetium 174.967
12 Mg Magnesium 24.305
25 Mn Manganese 54.9380
109 Mt Meitnerium (256)
101 Md Mendelevium (258)
80 Hg Mercury 200.59 Hg comes from the Latin name, hydragyrum, "liquid silver"
42 Mo Molybdenum 95.94
60 Nd Neodymium 144.24
10 Ne Neon 20.179
93 Np Neptunium 237.0482
28 Ni Nickel 58.70
41 Nb Niobium 92.9064 This element is often referred to by metallurgists and metal-producing industries as "columbium" (Cb) [see page on Discoverers of the Elements]
7 N Nitrogen 14.0067
102 No Nobelium (250)
76 Os Osmium 190.2
8 O Oxygen 15.9994
46 Pd Palladium 106.4
15 P Phosphorus 30.97376
78 Pt Platinum 195.09
94 Pu Plutonium (242)
84 Po Polonium (209)
19 K Potassium 39.0983 K comes from the Latin name, kalium
59 Pr Praseodymium 140.9077
61 Pm Promethium (145)
91 Pa Protactinium 231.0359
88 Ra Radium 226.0254
86 Rn Radon (222)
75 Re Rhenium 186.207
45 Rh Rhodium 102.9055
37 Rb Rubidium 85.4678
111 Rg Roentgenium (272)
44 Ru Ruthenium 101.07
104 Rf Rutherfordium (261)
62 Sm Samarium 150.4
21 Sc Scandium 44.9559
106 Sg Seaborgium (263)
34 Se Selenium 78.96
14 Si Silicon 28.0855
47 Ag Silver 107.868 Ag comes from the Latin name, argentum
11 Na Sodium 22.98977 Na comes from the Latin name, natrium
38 Sr Strontium 87.62
16 S Sulfur 32.06
73 Ta Tantalum 180.9479
43 Tc Technetium (98)
52 Te Tellurium 127.60
65 Tb Terbium 158.9254
81 Tl Thallium 204.37
90 Th Thorium 232.0381
69 Tm Thulium 168.9342
50 Sn Tin 118.69 Sn comes from the Latin name, stannum
22 Ti Titanium 47.90
74 W Tungsten 183.85 W comes from the German name, wolfram ("wolf dirt," so named because of its presence as an impurity in the mining of tin); in some countries, the element is still called "wolfram"
112 Uub Ununbiium (277) Generic name*
114 Uuq Ununquadium Generic name*
92 U Uranium 238.029
23 V Vanadium 50.9415
54 Xe Xenon 131.30
70 Yb Ytterbium 173.04
39 Y Yttrium 88.9059
30 Zn Zinc 65.38
40 Zr Zirconium 91.22
113 — —— ———