structure-of-atoms
Topic | Replies | Views | Activity | |
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Write the electronic configuration of a positively charged sodium ion (Na+). Atomic number of sodium is 11 | 0 | 6299 | March 20, 2018 | |
Write two characteristics of the canal rays | 0 | 3479 | March 20, 2018 | |
How do you know that nucleus is very small as compared to the size of atom? | 0 | 7883 | March 20, 2018 |