vrind ki rachnaye samaj ke liye kis prakar upyogi hai??
please please ans in hindi and ans correctly please please please
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Explanation:
Home work
Write the electronic configuration of the following elements and mention period. ,block and gruop they belong to
1. Na
2. Al
3.zn
4. Ar
5. Cl
6. Ca
7. Vandium
8.chromium
9.silicon
10. Germanium
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