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How modern periodic law removed the defects of mendeleevs system of classification?
Wiki User
∙ 11y ago
The properties of elements are the periodic function of their atomic numbers.
REMOVAL OF DEFECTS OF MENDELEEV'S Periodic Table
periodic table obtained on the basis of increasing atomic numbers has removed defects of Mendeleev's periodic table .
1) POSITION OF ISOTOPES :
since the isotopes of the same elements have the same atomic number, they are given the same place in the table.
2) POSITION OF RARE EARTHS:
These elements are separately placed at the bottom of table . similarly Acton elements ( which were discovered after Mendeleev ) are also placed at the bottom of the periodic table.
3) ANOMALOUS PAIRS.
the arrangement according to the atomic number show that their placements are correct.
Wiki User
∙ 11y ago
The modern periodic law arranged elements in order of increasing atomic number, resulting in a more accurate and consistent classification compared to Mendeleev's system based on Atomic Mass. This corrected the discrepancies encountered in Mendeleev's system and provided a more logical organization of elements based on their atomic structure. Additionally, the modern periodic law allowed for the prediction of properties for undiscovered elements, a limitation of Mendeleev's system.
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How do you identify component defects that have been removed?
how to identify component defects
When will silver be removed from the periodic table of elements?
Silver will not be removed from the periodic table of elements. It is an element, and it belongs there.
What two groups are removed from the main body of the periodic table?
LAnthanides and actinides
Why hydrogen is removed from periodic table?
Hydrogen is, and always will be, Group 1 Period 1.
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What are the achievements of mendeleev's periodic table?
in order to make periodic table more useful and accurate a few improvements were made in MMendeleev's periodic table 1: the periodic table was improved by arranging the elements in ascending order of there atomic numbers instead of there atomic masses so there chemical properties repeat in a periodic manner. 2: the addition of an extra group (VlllA) contain,s noble gases at the extreme right of the periodic table 3:the elements like Be,Mg,Ca,Sr,Ba and Zn,Cd,Hg were placed in a sigle vertical group while according o there properties they belonged to two different categories but the same was true for other elements placed in same vertical group and this confusion was removed by dividing the elements in two types of vertical groups, A and B
