[DOC] [TLE] Mendeleev's predicted elements - Wikipedia [PAR] Dmitri Mendeleev published the first periodic table of the chemical elements in 
1869 based on properties which appeared with some regularity as he laid out the 
elements from lightest to heaviest. When Mendeleev proposed his periodic table, 
he noted gaps in the table, ... Sometimes, eka- is still used to refer to some of the 
transuranic elements, for... [DOC] [TLE] The development of the Periodic Table - Royal Society of Chemistry [PAR] Just four years before Mendeleev announced his Periodic Table, John ... a 
conference in Karlsruhe (Germany) which had made a more accurate list of these 
atomic ... because he left spaces for undiscovered elements, some of which were 
soon .... Later, Meyer admitted that the Russian had first published about the 
Periodic... [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 ... identifying elements, which are substances made up of just one kind of atom. 
.... He left blank spaces in his chart as placeholders to represent those unknown 
... though that changed with the discovery of the first missing element, gallium,... [DOC] [TLE] BBC - GCSE Bitesize: Mendeleev's periodic table [PAR] Orange and blue banner with text GCSE Bitesize on left and the Bitesize fish on 
right ... Russian chemist, Dmitri Mendeleev, arranged the elements in an order 
that we would ... but he did some other things that made his table much more 
successful. ... When this element, called gallium, was discovered in 1875, its 
properties... [DOC] [TLE] zones of the periodic table [PAR] published by Dmitri Mendeleev, a Russian chemist ... Mendeleev had to leave 
gaps for elements that had not ... Due to the groupings in his table, he could ... 
This made it very clear how many elements were still undiscovered ... Period- a 
row of elements in the periodic table ... All metals, except mercury, are solids at 
room. [DOC] [TLE] Dmitri Mendeleev: Everything you need to know about the inventor ... [PAR] Feb 8, 2016 ... You may have learned the periodic table of elements during chemistry ... Russian 
chemist Dmitri Mendeleev, honoured with a Google Doodle to celebrate what ... T
he reason Mendeleev's version stuck was due to his using the table as a ... and 
was able to predict the atomic mass of the as-yet-undiscovered... [DOC] [TLE] periodic table facts, information, pictures | Encyclopedia.com articles ... [PAR] Get information, facts, and pictures about periodic table at Encyclopedia.com. ... 
When Mendeleyev placed elements in his Periodic Table, he had all elements ... 
Four important chemical family names of elements still widely used are the alkali 
... Metallic elements on the far left of the Periodic Table can lose electrons and... [DOC] [TLE] "THE PERIODIC TABLE" - ABOUT THE PERIODIC TABLE [PAR] -The periodic table of the elements is one of the most powerful icons in science: a 
... weight; Mendeleev also left spaces for as yet undiscovered elements for which 
he ... Similarly, Mendeleev discovered gallium (eka-aluminum) and scandium ... 
of Tobol'sk where his father was a teacher of Russian literature and philosophy... [DOC] [TLE] The American Scholar: Mendeleev's Garden - Oliver Sacks [PAR] Sep 1, 2015 ... On the left were the alkali and alkaline earth metals, all (except magnesium) ... It 
was eightness that dominated the periodic table before me, though one .... Here, 
as with gallium, he made his predictions on the basis of analogy ... of still-
unknown elements as Mendeleev had done for gallium and the others. [DOC] [TLE] Periodic Table Day [PAR] Discovered that water is made from Hydrogen and Oxygen; air is made from .... 
on a piano determined by Pythagoras; he called his periodic law the Law of 
Octaves. ..... with some regularity, Newlands failed to leave room in his table for 
new elements. ... The lack of spaces for undiscovered elements and the placing 
of two... [DOC] [TLE] Topic 5 - Holy Cross Collegiate [PAR] mass, he found that the properties of the elements repeated at definite, or 
periodic

Question: When this Russian made his periodic table, he left room for the still-undiscovered gallium
Answer: Mendeleev