Every year questions are being asked in nearly all the competitive examinations like NEET, JEE, UPTU, WBJE, etc. from d-block element. D-block elements occupy the space between the s-block (most ...
A team of Russian and American scientists announced today the creation of several atoms of the previously unknown element 117. The discovery of “ununseptium” will eventually fill a longtime gap on the ...
Periodic table is an arrangement of all known elements organized on the basis of structure and atomic number. Moving across the periodic table, one finds an increase in the number of protons. Moving ...
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