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Properties of 'd' block elements in a period
Because of their characteristic electronic configuration, the properties of transition elements ('d' block elements) in any period do not differ much from each other (unlike nontransition elements from the same period). The elec..
The p-Block Elements Introduction
Introduction - The p-block contains several elements of great social and economic importance as well as chemical interest. Examples include the use of aluminium as a structural material, the importance of silicon and germanium as semiconductors, and the use of sulphur, phosphoru..
Predicting Period, Group and Block of an Element
Knowing the electronic configuration, one can predict the period, which corresponds to the principal quantum number of the valence shell. The block of the element corresponds to the sub shell, which receives the last electron. The position of an element in t..
Some p- Block Elements: Boron, Carbon, Nitrogen and Oxygen
Elements of group 13 to 18 of the periodic table are collectively called 'p' block elements. The general electronic configuration of these elements is ns 2 np 1 - 6 . They involve the filling up of 'p' orbitals of th..
Salient features of elements classified in periodic table
>The number of shells present in the atom gives period number The noble gases are on the extreme right of the table and on the table's extreme left, are the alkali metals d- Block elements are the elements of group 3, 4, 5, 6, 7,..
The 's' block elements
's' block elements, (except helium) are those in which the valence-shell is the 'ns' orbital and where the last electron enters into the 's' orbital of the outer element. The general outer electronic configuration of such elements is either ns 1 or ns 2 . Th..
The s- Block Elements
The long form of the periodic table is based upon the filling of a particular shell and has been accordingly divided into four blocks i.e. 's', 'p', 'd' and 'f' blocks. The 's' block elements involve the filling of 's' subs..
The s- Block Elements Introduction
Introduction - The long form of the periodic table is based upon the filling of a particular shell and has been accordingly divided into four blocks i.e. 's', 'p', 'd' and 'f' blocks. The 's' block elements involve the filling of..
Introduction - The long form of the periodic table is based upon the filling of a particular shell and has been accordingly divided into four blocks i.e. 's', 'p', 'd' and 'f' blocks. The 's' block elements involve the filling of..Cause of Periodicity of Elements
Cause of Periodicity of Elements - The modern periodic table is based on the electronic configuration of the elements. The properties of an element are determined largely by the electrons in its outermost or valence shell. Valenc..
Periodic Classification of Elements Summary
>Mendeleev was able to predict the existence of undiscovered elements like Ga, Sc and Ge. Mendeleev corrected the atomic masses of a few elements on the basis of their positions in the periodic table. Mendeleev's table could not assign a proper position ..
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