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Noble gases: He, Ne, Ar, Kr, Xe, Rn; but this strange notation (8A) exist only in US !

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Related Questions

Are only the most important elements included in the periodic table?

no. all elements discovered (and proposed) are included in the periodic table


Why there is a group of elements in periodic table?

There is a group of elements in the periodic table as the elements with same properties are clubbed together.


What group in the periodic table of elements is gallium in?

Gallium is in group 13 of the periodic table. The other elements in this group are Boron, Aluminum, Indium, and Thallium.


Is a group of elements in the periodic table known as a family of elements?

Yes it is a group is a family remember that when dealing with the periodic table.


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.


What is a group of elements in the periodic table?

A group in the periodic table is a column of elements that share similar chemical properties due to having the same number of electrons in their outer energy level. Groups are vertical columns and are numbered from 1 to 18.


Where are the base forming elements located in the periodic table?

On the left of the periodic table, especially group 1 and group 2 elements.


How was Mendeleev's periodic table inaccurate compared to the modern periodic table?

Not all the elements were included


Group a elements on the periodic table?

2 elements


Which group is based on elements on the periodic table?

All groups in the periodic table contain chemical elements.


Where is cation on the periodic table?

Periodic table consists of elements not cations. However group 1 and group 2 elements (left side of the periodic table) are elements which will form cations easily.


What group is co3 in the periodic table?

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