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Dalton only listed 20 elements in his table because in his atomic theory, he believed that all elements could be explained in terms of simple ratios of the first 20 elements. At the time, only 20 elements were known and studied in depth, so Dalton's table reflected the knowledge available to him.
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Is sun light in the periodic table?
Periodic table contain only chemical elements.
What is a compound in a periodic table?
182 I don't think there are compounds in the periodic table. As far as I know the periodic table contains only elements, compounds are formed by ionic/covalent bonding which is another story already. http://www.webelements.com/
What are the only two elements on the periodic table that's a liquid?
The two elements in periodic table which are liquid are: 1 mercury 2 bromine
What compound is NaI on the periodic table?
Periodic table contain only chemical elements not compounds.
What is H2S on the periodic table?
You will not find H2S on the periodic table. The periodic table contains only elements, and H2S is a compound, made of two elements, hydrogen (H) and sulfur (S).
What is John Dalton's theory on the Periodic table?
he contributed symbols
Why did Dalton only list 20 elements?
because he got bored half way through listing them all so gave up half way through :L
How many laws are there in the periodic table of elements?
The periodic table of elements does not contain laws, only elements.
Are the element sin the periodic table the only elements discovered?
Yes. The elements in the Periodic Table are the only elements that have been discovered. However, we are still discovering and synthesising more elements.
What is oil on the periodic table of elements?
Only elements are in the periodic table (about 100) but oil is not an element, it is a substance.
Which elements in period table are liquids?
At normal temperatures, Bromine and Mercury are the only elements on the Periodic Table of the Elements that are in liquid form.
What is the only English letter not found on the periodic table of elements?
The letter "J" is the only English letter not found on the periodic table of elements.
How many liquid are found in a periodic table?
Only 2 elements of the 126 elements in the periodic table are liquid.
Where is an element found on the periodic table?
Everywhere. The periodic table only has elements
Examples of acids of periodic table?
There are no acids on the periodic table, Only elements.
Are only the most important elements included in the periodic table?
no. all elements discovered (and proposed) are included in the periodic table
How many identified elements does the periodic table show?
There are only 117 out of 118 elements on the Periodic Table that have been identified by research groups. Only 112 of the 117 have been recognized by the IUPAC. So, technically, there are 118 elements.
