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Mendeleev's Periodic Table -- the reason for periodicity -- is explained by the arrangement of the electrons around the nucleus. *Read your chemistry book* :D
3 million
The periodicity is the functional properties of the atomic number of an element which increases by unity on going from left to right in a period and hence is like a calendar, just an analogy to determine periodicity through atomic no. and not mass number.chemists'. it is like a chemists' calender.
6 Groups of 4, 1st place of all groups qualifies and the two "highest point scoring" 2nd places :)
What social groups are there in Egypt there are 4 social groups in egypt: 1st: king and his family 2nd: upper class 3rd: middle class 4th:lower class/unskilled workers HOPE IT HELPED ^__^
algebra;groups,rings,vector spaces
in 2nd 3rd 4th groups
Molatov - a gasoline fire bomb
The periodic table of Mendeleev is organized on the periodicity of chemical properties.
I know for certain that 3rd and 4th do but 1st and 2nd might not.
NRA, ACLU, 2nd amendment foundation.
The relationship is that the elements are organized by periods. Each row is a period and it goes from left to right. Each row is a period identified by different colors. Elements on the same row have something in common. All of the elements in a period have the same number of atomic orbitals. For example all the elements on the 1st row have only one orbital for its electrons. All the elements on the 2nd period (row) have two orbitals for its electrons. This repeats to period (row) 7. - Brian Tui