និមិត្តសញ្ញា
|
ឈ្មោះ
|
Etymology of symbol
|
លេខអាតូម
|
Relative atomic mass
|
ក្រុម
|
ខួប
|
Metallic character
|
Ac |
អាក់ទីញ៉ូម |
from Greek aktinos (ray) |
89 |
&227[227][nb ១] |
|
7
|
Actinide
|
Ag |
ប្រាក់ (Silver) |
Latin argentum (silver) |
47 |
&107.86822107.8682(2)[nb ២] |
11 |
5
|
Transition metal
|
Al |
អាលុយមីញ៉ូម (Aluminum) |
Latin alumen (alum) |
13 |
&026.9815386826.9815386(8) |
13 |
3
|
Other metal
|
Am |
Americium |
the Americas |
95 |
&243[243][nb ១] |
|
7
|
Actinide
|
Ar |
Argon |
Greek argon (inert) |
18 |
&039.948139.948(1)[nb ២][nb ៣] |
18 |
3
|
ឧស្ម័នកំរ
|
As |
Arsenic |
Greek arsenikos (male) |
33 |
&074.92160274.92160(2) |
15 |
4
|
Metalloid
|
At |
Astatine |
Greek astatos (unstable) |
85 |
&210[210][nb ១] |
17 |
6
|
Metalloid
|
Au |
មាស |
Latin aurum (gold) |
79 |
&196.9665694196.966569(4) |
11 |
6
|
Transition metal
|
B |
Boron |
borax |
5 |
&010.811710.811(7)[nb ២][nb ៣][nb ៤] |
13 |
2
|
Metalloid
|
Ba |
បារ៉្យូម (Barium) |
Greek barys (density) |
56 |
&137.3277137.327(7) |
2 |
6
|
Alkaline earth metal
|
Be |
បេរីល្យូម (Beryllium) |
beryl |
4 |
&009.01218239.012182(3) |
2 |
2
|
Alkaline earth metal
|
Bh |
Bohrium |
Niels Bohr |
107 |
&264[264][nb ១] |
7 |
7
|
Transition metal
|
Bi |
Bismuth |
from German wiss muth (white-mass), becoming bismuth in English |
83 |
&208.980401208.98040(1) |
15 |
6
|
Other metal
|
Bk |
Berkelium |
Berkeley, California |
97 |
&247[247][nb ១] |
|
7
|
Actinide
|
Br |
Bromine |
Greek bromos (stench) |
35 |
&079.904179.904(1) |
17 |
4
|
Diatomic nonmetal
|
C |
Carbon |
Latin carbo (charcoal) |
6 |
&012.0107812.0107(8)[nb ២][nb ៣] |
14 |
2
|
Polyatomic nonmetal
|
Ca |
កាល់ស្យូម (Calcium) |
Latin calx (lime) |
20 |
&040.078440.078(4)[nb ២] |
2 |
4
|
Alkaline earth metal
|
Cd |
Cadmium |
Greek kadmia (earth) |
48 |
&112.4118112.411(8)[nb ២] |
12 |
5
|
Transition metal
|
Ce |
Cerium |
Ceres |
58 |
&140.1161140.116(1)[nb ២] |
|
6
|
Lanthanide
|
Cf |
Californium |
State and University of California |
98 |
&251[251][nb ១] |
|
7
|
Actinide
|
Cl |
Chlorine |
Greek chloros (green-yellow) |
17 |
&035.453235.453(2)[nb ២][nb ៣][nb ៤] |
17 |
3
|
Diatomic nonmetal
|
Cm |
Curium |
Pierre and Marie Curie and the traditional -um ending |
96 |
&247[247][nb ១] |
|
7
|
Actinide
|
Cn |
Copernicium |
Nicolaus Copernicus |
112 |
&285[285][nb ១] |
12 |
7
|
Transition metal
|
Co |
Cobalt |
from German kobold |
27 |
&058.933195558.933195(5) |
9 |
4
|
Transition metal
|
Cr |
Chromium |
Greek chroma (color) |
24 |
&051.9961651.9961(6) |
6 |
4
|
Transition metal
|
Cs |
សេស្យូម (Cesium) |
Latin caesius (sky blue) |
55 |
&132.90545192132.9054519(2) |
1 |
6
|
Alkali metal
|
Cu |
ទង់ដែង (Copper) |
Latin Cuprum (Cyprus) |
29 |
&063.546363.546(3)[nb ៣] |
11 |
4
|
Transition metal
|
Db |
Dubnium |
Dubna, Russia |
105 |
&262[262][nb ១] |
5 |
7
|
Transition metal
|
Ds |
Darmstadtium |
Darmstadt, Germany |
110 |
&271[271][nb ១] |
10 |
7
|
Unknown
|
Dy |
Dysprosium |
Greek dysprositos |
66 |
&162.5001162.500(1)[nb ២] |
|
6
|
Lanthanide
|
Er |
Erbium |
Ytterby, Sweden |
68 |
&167.2593167.259(3)[nb ២] |
|
6
|
Lanthanide
|
Es |
Einsteinium |
Albert Einstein |
99 |
&252[252][nb ១] |
|
7
|
Actinide
|
Eu |
Europium |
Europe |
63 |
&151.9641151.964(1)[nb ២] |
|
6
|
Lanthanide
|
F |
Fluorine |
Latin fluo (flow) |
9 |
&018.9984032518.9984032(5) |
17 |
2
|
Diatomic nonmetal
|
Fe |
ដែក (Iron) |
Latin ferrum (iron) |
26 |
&055.845255.845(2) |
8 |
4
|
Transition metal
|
Fl |
Flerovium |
Flerov Laboratory of Nuclear Reactions |
114 |
&289[289][nb ១] |
14 |
7 |
Unknown
|
Fm |
Fermium |
Enrico Fermi |
100 |
&257[257][nb ១] |
|
7
|
Actinide
|
Fr |
ហ្វ្រង់ស្យូម (Francium) |
France |
87 |
&223[223][nb ១] |
1 |
7
|
Alkali metal
|
Ga |
Gallium |
Latin Gallia (Gaul) |
31 |
&069.723169.723(1) |
13 |
4
|
Other metal
|
Gd |
Gadolinium |
gadolinite |
64 |
&157.253157.25(3)[nb ២] |
|
6
|
Lanthanide
|
Ge |
Germanium |
Germany |
32 |
&072.64172.64(1) |
14 |
4
|
Metalloid
|
H |
អុីដ្រូសែន (Hydrogen) |
Greek hydor gennao (liquid-produce) |
1 |
&001.0079471.00794(7)[nb ២][nb ៣][nb ៤] |
1 |
1
|
Diatomic nonmetal
|
He |
អេល្យូម |
Greek helios (Sun) |
2 |
&004.00260224.002602(2)[nb ២][nb ៣] |
18 |
1
|
ឧស្ម័នកំរ
|
Hf |
Hafnium |
Latin Hafnia (Copenhagen) |
72 |
&178.492178.49(2) |
4 |
6
|
Transition metal
|
Hg |
Mercury |
Greek hydrargyrum (liquid silver) |
80 |
&200.592200.59(2) |
12 |
6
|
Transition metal
|
Ho |
Holmium |
Latin Holmia (Stockholm) |
67 |
&164.930322164.930 32(2) |
|
6
|
Lanthanide
|
Hs |
Hassium |
Hesse, Germany |
108 |
&277[277][nb ១] |
8 |
7
|
Transition metal
|
I |
Iodine |
Greek ioeides (violet) |
53 |
&126.904473126.904 47(3) |
17 |
5
|
Diatomic nonmetal
|
In |
Indium |
indigo blue |
49 |
&114.8183114.818(3) |
13 |
5
|
Other metal
|
Ir |
Iridium |
Greek iris (rainbow) |
77 |
&192.2173192.217(3) |
9 |
6
|
Transition metal
|
K |
ប៉ូតាស្យូម (Potassium) |
Latin kalium (potassium) |
19 |
&039.0983139.0983(1) |
1 |
4
|
Alkali metal
|
Kr |
Krypton |
Greek kryptos (concealment) |
36 |
&083.798283.798(2)[nb ២][nb ៤] |
18 |
4
|
ឧស្ម័នកំរ
|
La |
ឡង់តាន |
Greek lanthano (escape) |
57 |
&138.905477138.90547(7)[nb ២] |
|
6
|
Lanthanide
|
Li |
លីចូម (Lithium) |
Greek lithos (rock) |
3 |
&006.94126.941(2)[nb ២][nb ៣][nb ៤][nb ៥] |
1 |
2
|
Alkali metal
|
Lr |
Lawrencium |
Ernest O. Lawrence |
103 |
&262[262][nb ១] |
3 |
7
|
Actinide
|
Lu |
Lutetium |
Latin Lutetia (Paris) |
71 |
&174.9671174.967(1)[nb ២] |
3 |
6
|
Lanthanide
|
Lv |
Livermorium |
Lawrence Livermore National Laboratory |
116 |
&292[292][nb ១] |
16 |
7
|
Unknown
|
Md |
Mendelevium |
Dmitri Mendeleyev |
101 |
&258[258][nb ១] |
|
7
|
Actinide
|
Mg |
ម៉ាញ៉េស្យូម (Magnesium) |
Magnesia, Greece |
12 |
&024.3050624.3050(6) |
2 |
3
|
Alkaline earth metal
|
Mn |
Manganese |
Greek magnes (magnet) |
25 |
&054.938045554.938045(5) |
7 |
4
|
Transition metal
|
Mo |
Molybdenum |
Greek molybdos (lead) |
42 |
&095.94295.94(2)[nb ២] |
6 |
5
|
Transition metal
|
Mt |
Meitnerium |
Lise Meitner |
109 |
&268[268][nb ១] |
9 |
7
|
Unknown
|
N |
Nitrogen |
Greek nitron (niter) |
7 |
&014.0067214.0067(2)[nb ២][nb ៣] |
15 |
2
|
Diatomic nonmetal
|
Na |
សូដ្យូម (Sodium) |
Latin natrium (sodium) |
11 |
&022.98976928222.98976928(2) |
1 |
3
|
Alkali metal
|
Nb |
ញ៉ូប្យូម (Niobium) |
Niobe |
41 |
&092.90638292.906 38(2) |
5 |
5
|
Transition metal
|
Nd |
Neodymium |
Greek neos didymos (novelty-twin) |
60 |
&144.2423144.242(3)[nb ២] |
|
6
|
Lanthanide
|
Ne |
នេអុង |
Greek neos (novelty) |
10 |
&020.1797620.1797(6)[nb ២][nb ៤] |
18 |
2
|
ឧស្ម័នកំរ
|
Ni |
Nickel |
German kupfernickel (nickeline) |
28 |
&058.6934258.6934(2) |
10 |
4
|
Transition metal
|
No |
Nobelium |
Alfred Nobel |
102 |
&259[259][nb ១] |
|
7
|
Actinide
|
Np |
Neptunium |
Neptune |
93 |
&237[237][nb ១] |
|
7
|
Actinide
|
O2 |
អុកស៊ីសែន |
Greek oxys (acid) |
8 |
&015.9994315.9994(3)[nb ២][nb ៣] |
16 |
2
|
Diatomic nonmetal
|
Os |
Osmium |
Greek osme (odor) |
76 |
&190.233190.23(3)[nb ២] |
8 |
6
|
Transition metal
|
P |
Phosphorus |
Greek phosphoros (light bearer) |
15 |
&030.973762230.973762(2) |
15 |
3
|
Polyatomic nonmetal
|
Pa |
Protactinium |
Greek protos and actinium |
91 |
&231.035882231.03588(2)[nb ១] |
|
7
|
Actinide
|
Pb |
Lead |
Latin plumbum (lead) |
82 |
&207.21207.2(1)[nb ២][nb ៣] |
14 |
6
|
Other metal
|
Pd |
Palladium |
Pallas (genitive Pallados) |
46 |
&106.421106.42(1)[nb ២] |
10 |
5
|
Transition metal
|
Pm |
Promethium |
Prometheus |
61 |
&145[145][nb ១] |
|
6
|
Lanthanide
|
Po |
Polonium |
Poland |
84 |
&210[210][nb ១] |
16 |
6
|
Other metal
|
Pr |
Praseodymium |
Greek prasios (green) |
59 |
&140.907652140.90765(2) |
|
6
|
Lanthanide
|
Pt |
Platinum |
Spanish platina (silver) |
78 |
&195.0849195.084(9) |
10 |
6
|
Transition metal
|
Pu |
Plutonium |
Pluto |
94 |
&244[244][nb ១] |
|
7
|
Actinide
|
Ra |
រ៉ាដ្យូម (Radium) |
Latin radius (ray) |
88 |
&226[226][nb ១] |
2 |
7
|
Alkaline earth metal
|
Rb |
រុយប៊ីដ្យូម (Rubidium) |
Latin rubidus (red) |
37 |
&085.4678385.4678(3)[nb ២] |
1 |
5
|
Alkali metal
|
Re |
Rhenium |
German Rheinprovinz |
75 |
&186.2071186.207(1) |
7 |
6
|
Transition metal
|
Rf |
Rutherfordium |
Ernest Rutherford |
104 |
&261261[nb ១] |
4 |
7
|
Transition metal
|
Rg |
Roentgenium |
Wilhelm Conrad Röntgen |
111 |
&272[272][nb ១] |
11 |
7
|
Unknown
|
Rh |
Rhodium |
Greek rhodon (rose) |
45 |
&102.905502102.905 50(2) |
9 |
5
|
Transition metal
|
Rn |
Radon |
radium and emanation |
86 |
&220[220][nb ១] |
18 |
6
|
ឧស្ម័នកំរ
|
Ru |
Ruthenium |
Latin Ruthenia (Russia) |
44 |
&101.072101.07(2)[nb ២] |
8 |
5
|
Transition metal
|
S |
Sulfur (Sulphur) |
Latin sulfur |
16 |
&032.065532.065(5)[nb ២][nb ៣] |
16 |
3
|
Polyatomic nonmetal
|
Sb |
Antimony |
Latin stibium (eye liner) |
51 |
&121.7601121.760(1)[nb ២] |
15 |
5
|
Metalloid
|
Sc |
ស្កង់ដ្យូម (Scandium) |
Scandinavia |
21 |
&044.955912644.955912(6) |
3 |
4
|
Transition metal
|
Se |
Selenium |
Greek selene (Moon) |
34 |
&078.96378.96(3)[nb ៣] |
16 |
4
|
Polyatomic nonmetal
|
Sg |
Seaborgium |
Glenn T. Seaborg |
106 |
&266[266][nb ១] |
6 |
7
|
Transition metal
|
Si |
Silicon |
Latin silex (flint) |
14 |
&028.0855328.0855(3)[nb ៣] |
14 |
3
|
Metalloid
|
Sm |
Samarium |
samarskite |
62 |
&150.362150.36(2)[nb ២] |
|
6
|
Lanthanide
|
Sn |
Tin |
Latin stannum (tin) |
50 |
&118.7101118.710(7)[nb ២] |
14 |
5
|
Other metal
|
Sr |
ស្ត្រុងចូម (Strontium) |
Strontian |
38 |
&087.62187.62(1)[nb ២][nb ៣] |
2 |
5
|
Alkaline earth metal
|
Ta |
តង់ដាល់ (Tantalum) |
King Tantalus |
73 |
&180.947882180.94788(2) |
5 |
6
|
Transition metal
|
Tb |
Terbium |
Ytterby, Sweden |
65 |
&158.925352158.92535(2) |
|
6
|
Lanthanide
|
Tc |
Technetium |
Greek technetos (artificial) |
43 |
&098[98][nb ១] |
7 |
5
|
Transition metal
|
Te |
Tellurium |
Greek tellus (Earth) |
52 |
&127.603127.60(3)[nb ២] |
16 |
5
|
Metalloid
|
Th |
Thorium |
Thor |
90 |
&232.038062232.03806(2)[nb ១][nb ២] |
|
7
|
Actinide
|
Ti |
Titanium |
the Titans |
22 |
&047.867147.867(1) |
4 |
4
|
Transition metal
|
Tl |
Thallium |
Greek thallos (shoot) |
81 |
&204.38332204.3833(2) |
13 |
6
|
Other metal
|
Tm |
Thulium |
Thule and the traditional -ium ending |
69 |
&168.934212168.93421(2) |
|
6
|
Lanthanide
|
U |
Uranium |
Uranus |
92 |
&238.028913238.02891(3)[nb ១][nb ២][nb ៤] |
|
7
|
Actinide
|
Uuo |
Ununoctium |
Latin uni, uni, and oct (one, one, eight) |
118 |
&294[294][nb ១] |
18 |
7
|
Unknown
|
Uup |
Ununpentium |
Latin uni, uni, and Greek pent (one, one, five) |
115 |
&288[288][nb ១] |
15 |
7
|
Unknown
|
Uus |
Ununseptium |
Latin uni, uni, and sept (one, one, seven) |
117 |
&294[294][nb ១] |
17 |
7
|
Unknown
|
Uut |
Ununtrium |
Latin uni, uni, and Greek tri (one, one, three) |
113 |
&284[284][nb ១] |
13 |
7
|
Unknown
|
V |
វ៉ាណាដ្យូម (Vanadium) |
Vanadis |
23 |
&050.9415150.9415(1) |
5 |
4
|
Transition metal
|
W |
Tungsten |
German wolfram (wolf-froth) |
74 |
&183.841183.84(1) |
6 |
6
|
Transition metal
|
Xe |
Xenon |
Greek xenos (alien) |
54 |
&131.2936131.293(6)[nb ២][nb ៤] |
18 |
5
|
ឧស្ម័នកំរ
|
Y |
អុីទ្រីយ៉ូម (Yttrium) |
Ytterby, Sweden |
39 |
&088.90585288.90585(2) |
3 |
5
|
Transition metal
|
Yb |
Ytterbium |
Ytterby, Sweden |
70 |
&173.043173.04(3)[nb ២] |
|
6
|
Lanthanide
|
Zn |
Zinc |
German zin (tin) |
30 |
&065.409465.409(4) |
12 |
4
|
Transition metal
|
Zr |
Zirconium |
zircon |
40 |
&091.224291.224(2)[nb ២] |
4 |
5
|
Transition metal
|