[DOC] [TLE] Mendeleev's Periodic Table - Corrosion Doctors [PAR] Mendeleev also arranged the elements known at the time in order of relative 
atomic ... properties of elements were related to their atomic mass in a 'periodic' 
way, and ... And when they were discovered, Mendeleev turned out to be right. ... 
Modern day periodic tables are expanded beyond Mendeleev's initial 63 
elements. [DOC] [TLE] Dmitri Mendeleev | 3.2Way of Knowing: Stars and Elements | 3 ... [PAR] Dmitri Mendeleev, a Russian chemist and teacher, devised the periodic table  
a ... Only 27 years old, he cultivated the persona of an eccentric, with a flowing ... 
At the time, elements were normally grouped in two ways: either by their ... 
Mendeleev made up a set of cards, one for each of the 63 elements known at the 
time. [DOC] [TLE] BBC - GCSE Bitesize: Mendeleev's periodic table [PAR] Russian chemist, Dmitri Mendeleev, arranged the elements in an order that we ... 
Mendeleev also arranged the elements known at the time in order of relative ... 
properties of elements were related to their atomic mass in a 'periodic' way, and 
... elements were later discovered, lending further credit to Mendeleev's table. [DOC] [TLE] The Evolution of the Periodic System - Scientific American [PAR] Jan 21, 2011 ... From its origins some 200 years ago, the periodic table has become a ... birth of 
the modern periodic table: on February 17, 1869, a Russian ... It included 63 
known elements arranged according to increasing ... He noticed that if the three 
members of a triad were ordered according to their atomic weights,... [DOC] [TLE] The Periodic Table - Western Oregon University [PAR] A BRIEF HISTORY OF THE DEVELOPMENT OF PERIODIC TABLE ... mercury 
have been known since antiquity, the first scientific discovery of an element 
occurred in ... By 1869, a total of 63 elements had been discovered. ... contained 
triads of elements the middle element had properties that were an average of the 
other... [DOC] [TLE] Dmitri Mendeleev - Wikiquote [PAR] Dmitri Ivanovich Mendeleev, Russian:   , also ... 
credited as being the creator of the first version of the periodic table of elements. 
Using the table, he predicted the properties of elements yet to be discovered. ... 
When Mendeleev began teaching at the University, there were 63 known 
elements,... [DOC] [TLE] "THE PERIODIC TABLE" - ABOUT THE PERIODIC TABLE [PAR] It included 63 known elements arranged according to increasing atomic ... The 
periodic table we use today is based on the one devised and published ... 
Mendeleev believed, incorrectly, that chemical properties were determined by 
atomic weight. ..... There is also mendelevium, named after Dmitri Mendeleev, the 
Russian... [DOC] [TLE] The Periodic Table - The Mystery of Matter [PAR] The Periodic Table of the Elements is one of the most iconic images in all of ... 
Dissatisfied with the existing Russian chemistry textbooks, Mendeleev set out to 
write his own. ... he hit upon a way to organize the 63 elements that were then 
known. ..... Only later was it discovered that it was their unusual electron shells 
that... [DOC] [TLE] Mendeleev - Periodic Table of Elements - Los Alamos National ... [PAR] Russian chemist conceived of a profound and revolutionary scientific contribution 
to modern science: the Periodic Table of the Elements. ... observations were 
made prior to that discovery ... His table including 63 known elements ... Only 
Mendeleev recognized that the table was a natural phenomenon and not just a. [DOC] [TLE] Mendeleev's First Periodic Table - Le Moyne [PAR] This table and the accompanying observations were first presented to the 
Russian ... On the Relationship of the Properties of the Elements to their Atomic 
Weights ... not only the quantities and properties of the elements and their 
reciprocal ... of Bo and Al, as is well known to have been long established 
experimentally. [DOC] [TLE] Films Media Group - Mendeleev's Dream [PAR] Russian Chemist Dmitri Mendeleev (02:02) ... He realized there were elements 
yet to be discovered. ... the chemist and inventor who devised the periodic table 
of the elementsvastly improving ... enabled him to group the known 63 
elements into

Question: There were only 63 known elements when this Russian devised the periodic table
Answer: Mendeleev