[PDF] 118 Elements List PDF

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118 Elements List And Their Symbols And Atomic Numbers

The modern periodic table, today, consists of 118 elements in total. Since the names of the elements can be long and complex to use, these are denoted using a symbol. Each element has a unique symbol.

What is Meant by a Symbol?

A symbol is a notation that generally comprises one or two letters that are used to represent a chemical element. There are also symbols having 3 letters. These are newly synthesized elements and they are temporarily named like that.

There are certain rules associated with writing a symbol. The first letter of a symbol is always capitalized while the second (or third) letter is always written in lowercase. E.g.- Ca for Calcium, He for Helium, etc. If the symbol for an element consists of only one letter, it is always written in uppercase.

E.g.- N for Nitrogen, O for oxygen etc.

Symbols are most commonly used to represent elements in a periodic table. Chemical formulas and equations are also represented using those symbols.

Without the symbols, it would have been a herculean task to represent all these 118 elements and the umpteen numbers of compounds they form. The following table gives the list of 118 elements along with their symbols and atomic number.

118 Element and their Symbols and Atomic Number (Table)

Atomic Number	Element	Symbol
1	Hydrogen	H
2	Helium	He
3	Lithium	Li
4	Beryllium	Be
5	Boron	B
6	Carbon	C
7	Nitrogen	N
8	Oxygen	O
9	Fluorine	F
10	Neon	Ne
11	Sodium	Na
12	Magnesium	Mg
13	Aluminum	Al
14	Silicon	Si
15	Phosphorous	P
16	Sulfur	S
17	Chlorine	Cl
18	Argon	Ar
19	Potassium	K
20	Calcium	Ca
21	Scandium	Sc
22	Titanium	Ti
23	Vanadium	V
24	Chromium	Cr
25	Manganese	Mn
26	Iron	Fe
27	Cobalt	Co
28	Nickel	Ni
29	Copper	Cu
30	Zinc	Zn
31	Gallium	Ga
32	Germanium	Ge
33	Arsenic	As
34	Selenium	Se
35	Bromine	Br
36	Krypton	Kr
37	Rubidium	Rb
38	Strontium	Sr
39	Yttrium	Y
40	Zirconium	Zr
41	Niobium	Nb
42	Molybdenum	Mo
43	Technetium	Tc
44	Ruthenium	Ru
45	Rhodium	Rh
46	Palladium	Pd
47	Silver	Ag
48	Cadmium	Cd
49	Indium	In
50	Tin	Sn
51	Antimony	Sb
52	Tellurium	Te
53	Iodine	I
54	Xenon	Xe
55	Cesium	Cs
56	Barium	Ba
57	Lanthanum	La
58	Cerium	Ce
59	Praseodymium	Pr
60	Neodymium	Nd
61	Promethium	Pm
62	Samarium	Sm
63	Europium	Eu
64	Gadolinium	Gd
65	Terbium	Tb
66	Dysprosium	Dy
67	Holmium	Ho
68	Erbium	Er
69	Thulium	Tm
70	Ytterbium	Yb
71	Lutetium	Lu
72	Hafnium	Hf
73	Tantalum	Ta
74	Tungsten	W
75	Rhenium	Re
76	Osmium	Os
77	Iridium	Ir
78	Platinum	Pt
79	Gold	Au
80	Mercury	Hg
81	Thallium	Tl
82	Lead	Pb
83	Bismuth	Bi
84	Polonium	Po
85	Astatine	At
86	Radon	Rn
87	Francium	Fr
88	Radium	Ra
89	Actinium	Ac
90	Thorium	Th
91	Protactinium	Pa
92	Uranium	U
93	Neptunium	Np
94	Plutonium	Pu
95	Americium	Am
96	Curium	Cm
97	Berkelium	Bk
98	Californium	Cf
99	Einsteinium	Es
100	Fermium	Fm
101	Mendelevium	Md
102	Nobelium	No
103	Lawrencium	Lr
104	Rutherfordium	Rf
105	Dubnium	Db
106	Seaborgium	Sg
107	Bohrium	Bh
108	Hassium	Hs
109	Meitnerium	Mt
110	Darmstadtium	Ds
111	Roentgenium	Rg
112	Copernicium	Cn
113	Nihonium	Nh
114	Flerovium	Fl
115	Moscovium	Mc
116	Livermorium	Lv
117	Tennessine	Ts
118	Oganesson	Og

We now know all the 118 elements and their symbols. One may ask, ‘How is the symbol of an element derived?’

We can see in the table above that most of the symbols are derived from the elements’ names, by taking the first or first two letters from the English name of the element. But we can also see that many of the symbols do not follow this pattern.

This is because the symbols of a few elements are derived from their Latin or Greek names. For example, the Latin name for gold is aurum.

Hence, it is denoted by Au. Sometimes, the elements are also named after the scientists or the geographical location where they were discovered. The elements which are new are temporarily named according to their atomic numbers.

Valency of an Element

In order to achieve the most stable configuration i.e. of a noble gas, the atom of an element tries to gain or lose electrons.

This ability of an atom to gain or lose electrons to achieve a stable configuration or inert gas configuration is called the Valency of an element.

The number of electrons in the outermost shell is called valence electrons and the outermost shell is called the valence shell.

The valency of an element is determined by the number of electrons in the valence shell. It is important to know the atomic number and electronic configuration of an element to find its valency.

Atomic Number

The concept of atomic number and valency can only be understood if you know what exactly are elements made up of. An element is made up of a single type of atom. An atom is the smallest indivisible unit of matter. It consists of electrons, protons, and neutrons.

The center of the atom also called the nucleus which is positively charged and consists of protons and neutrons. Protons are positively charged. Neutrons are neutral and it doesn’t have any charge on them. The nucleus is surrounded by negatively charged electrons.

The sum of protons and neutrons gives the atomic mass of an element. The atomic number is the total number of protons present in the nucleus of an atom. It is denoted by the letter Z.

The chemical properties of an element are determined by the number of protons in the nucleus. This is why the knowledge of atomic numbers is important in understanding the chemistry of elements.

Author	ACS
Language	English
No. of Pages	1
PDF Size	0.5 MB
Category	Education

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Other periodic tables given below are useful for class 8, class 9, class 10, class 11, class 12th students.

For a detailed study of every element, you can download this PDF file. Click Here

Electron Configuration Coloured Periodic Table PDF Free Download

118 Elements List And Their Symbols And Atomic Numbers

118 Element and their Symbols and Atomic Number (Table)

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