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NH3 is the chemical formula of the compound ammonia. The Periodic Table lists elements and not compounds.
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∙ 11y ago
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How many elements are included on the modern periodic table?
There are 117 elements on the periodic table, however, there is one blank spot that lies on the periodic table of elements, it has the atomic number of 117. If it were discovered, there would be 118 elements on the periodic table of elements.
When new elements are placed into the periodic table what happens?
If new elements are placed, then they would be appended in the periodic table. It won't disturb existing periodic table.
What is one characteristic on the periodic table that is not periodic?
My answer for this would be Colour of the elements.
What did Dmitri Mendeleev arrange into a systematic chart?
the periodic table of elements In this table, elements having similar chemical properties are stacked up. The chemical properties are determined by how many free bonds an atom has open, which is related to how many electrons are in that element's outer shell.
Why did mendeleev leave blank spaces on his periodic table?
Mendeleev left blank spaces because certain elements on the Periodic Table were not known at that time. He knew that in the future, those elements would be found and placed on the periodic table.
What element in the periodic table is similar to sulfur?
Elements in the periodic table that are similar to sulfur would be oxygen, and selenium
How would you categorize most of the elements on the periodic table?
Elements and atomic number
What was true about the elements that would later be put in those gaps?
When Mendeleev proposed his periodic table, he noted gaps in the table, and ... Initial versions of the periodic table did not give the rare earth elements the ... that these atomic elements would be discovered, that he included them in later.
Where or the periodic table would you find elements that will not react with other elements?
Yes it actully does
How would the periodic table look if the lanthanide actinide series were in their proper place?
Periodic table would be complex then. It will make study of elements difficult.
What does NO mean on the periodic table?
The only thing it might mean would be number, but that is usually no. and not NO. NO would be nitrogen oxide (nitric oxide), but that would NOT appear in the periodic table, as it is a compound, and only ELEMENTS appear in the periodic table.
The elements on a periodic table are arranged by atomic . What would it be?
atomic number
