on what basis do we assign a definite position to an element in a group of the modern periodic table and do we determine the group number of that particular elemnt?
Asked by ananya96 | 19th Feb, 2012, 06:24: PM
In modern periodic table :
Elements are presented in increasing atomic number; while rectangular in general outline, gaps are included in the rows or periods to keep elements with similar properties together, such as the halogens and the noble gases, in columns or groups, forming distinct rectangular areas or blocks.
Answered by | 20th Feb, 2012, 12:34: PM
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