Periodic Table
Periodic Table: Elements are arranged from left to right and top to bottom in the order of their increasing atomic numbers.
Periodic Table
What is the Periodic Table?
The periodic table is an arrangement of all the elements known to man in accordance with their increasing atomic number and recurring chemical properties. They are assorted in a tabular arrangement wherein a row is a period and a column is a group.
Elements are arranged from left to right and top to bottom in the order of their increasing atomic numbers. Thus,
- Elements in the same group will have the same valence electron configuration and hence, similar chemical properties.
- Whereas, elements in the same period will have an increasing order of valence electrons. Therefore, as the energy level of the atom increases, the number of energy sub-levels per energy level increases.
The first 94 elements of the periodic table are naturally occurring, while the rest from 95 to 118 have only been synthesized in laboratories or nuclear reactors.
The modern periodic table, the one we use now, is a new and improved version of certain models put forth by scientists in the 19th and 20th century. Dimitri Mendeleev put forward his periodic table based on the findings of some scientists before him like John Newlands and Antoine-Laurent de Lavoisier. However, Mendeleev is given sole credit for his development of the periodic table.
Mendeleev Periodic Table
Dimitri Mendeleev, widely referred as the father of the periodic table put forth the first iteration of the periodic table similar to the one we use now. Mendeleev’s periodic law is different from the modern periodic law in one main aspect.
Mendeleev modeled his periodic table on the basis of increasing atomic mass, whereas, the modern periodic law is based on the increasing order of atomic numbers.
Even though Mendeleev’s periodic table was based on atomic weight, he was able to predict the discovery and properties of certain elements. During his time only around half of the elements known to us now were known, and most of the information known about the elements were inaccurate. Mendeleev’s Periodic Table was published in the German Journal of chemistry in 1869.
List of Periodic Table Elements
118 Elements Of Periodic Table
Element 1: H-Hydrogen
Element 2: He-Helium
Element 3: Li-Lithium
Element 4: Be-Beryllium
Element 5: B-Boron
Element 6: C-Carbon
Element 7: N-Nitrogen
Element 8: O-Oxygen
Element 9: F-Fluorine
Element 10: Ne-Neon
Element 11: Na-Sodium
Element 12: Mg-Magnesium
Element 13 : Al-Aluminum
Element 14 : Si-Silicon
Element 15 : P-Phosphorus
Element 16 : S-Sulfur
Element 17 : Cl-Chlorine
Element 18 : Ar-Argon
Element 19 : K-Potassium
Element 20 : Ca-Calcium
Element 21 : Sc-Scandium
Element 22 : Ti-Titanium
Element 23 : V-Vanadium
Element 24 : Cr-Chromium
Element 25 : Mn-Manganese
Element 26 : Fe-Iron
Element 27 : Co-Cobalt
Element 28 : Ni-Nickel
Element 29 : Cu-Copper
Element 30 : Zn-Zinc
Element 31 : Ga-Gallium
Element 32 : Ge-Germanium
Element 33 : As-Arsenic
Element 34 : Se-Selenium
Element 35 : Br-Bromine
Element 36 : Kr-Krypton
Element 37 : Rb-Rubidium
Element 38 : Sr-Strontium
Element 39 : Y-Yttrium
Element 40 : Zr-Zirconium
Element 41 : Nb-Niobium
Element 42 : Mo-Molybdenum
Element 43 : Tc-Technetium
Element 44 : Ru-Ruthenium
Element 45 : Rh-Rhodium
Element 46 : Pd-Palladium
Element 47 : Ag-Silver
Element 48 : Cd-Cadmium
Element 49 : In-Indium
Element 50 : Sn-Tin
Element 51 : Sb-Antimony
Element 52 : Te-Tellurium
Element 53 : I-Iodine
Element 54 : Xe-Xenon
Element 55 : Cs-Cesium
Element 56 : Ba-Barium
Element 57 : La-Lanthanum
Element 58 : Ce-Cerium
Element 59 : Pr-Praseodymium
Element 60 : Nd-Neodymium
Element 61 : Pm-Promethium
Element 62 : Sm-Samarium
Element 63 : Eu-Europium
Element 64 : Gd-Gadolinium
Element 65 : Tb-Terbium
Element 66 : Dy-Dysprosium
Element 67 : Ho-Holmium
Element 68 : Er-Erbium
Element 69 : Tm-Thulium
Element 70 : Yb-Ytterbium
Element 71 : Lu-Lutetium
Element 72 : Hf-Hafnium
Element 73 : Ta-Tantalum
Element 74 : W-Tungsten
Element 75 : Re-Rhenium
Element 76 : Os-Osmium
Element 77 : Ir-Iridium
Element 78 : Pt-Platinum
Element 79 : Au-Gold
Element 80 : Hg-Mercury
Element 81 : Tl-Thallium
Element 82 : Pb-Lead
Element 83 : Bi-Bismuth
Element 84 : Po-Polonium
Element 85 : At-Astatine
Element 86 : Rn-Radon
Element 87 : Fr-Francium
Element 88 : Ra-Radium
Element 89 : Ac-Actinium
Element 90 : Th-Thorium
Element 91 : Pa-Protactinium
Element 92 : U-Uranium
Element 93 : Np-Neptunium
Element 94 : Pu-Plutonium
Element 95 : Am-Americium
Element 96 : Cm-Curium
Element 97 : Bk-Berkelium
Element 98 : Cf-Californium
Element 99 : Es-Ensteinium
Element 100 : Fm-Fermium
Element 101 : Md-Mendelevium
Element 102 : No-Nobelium
Element 103 : Lr-Lawrencium
Element 104 : Rf-Rutherfordium
Element 105 : Db-Dubnium
Element 106 : Sg-Seaborgium
Element 107 : Bh-Bohrium
Element 108 : Hs-Hassium
Element 109 : Mt-Meitnerium
Element 110 : Ds-Darmstadtium
Element 111 : Rg-Roentgenium
Element 112 : Cn-Copernicium
Element 113 : Nh-Nihonium
Element 114 : Fl-Flerovium
Element 115 : Mc-Moscovium
Element 116 : Lv-Livermorium
Element 117 : Ts-Tennessine
Element 118 : Og-Oganesson
Frequently Asked Questions
What is the periodic table of elements definition?
Periodic Table Of The Elements is a Chart Of The Chemical Elements That Displays Them In Rows Horizontally In Order Of Increasing Atomic Number And Vertically According To Similarity Of The Chemical Properties Of Their Atoms.
How many elements are there?
118 Elements are present in the Periodic Table.
What is the Symbol of Gold?
Au
Who Discovered Iodine?
Iodine was discovered by Bernard Courtois in 1811.
What is the Symbol of Silver?
Ag
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