Saved Bookmarks
| 1. |
Short note on modern periodic table |
|
Answer» This periodic table is also KNOWN as Long or Extended Form of the periodic table. In the MENDELEEV's periodic table the subgroups A and B have been kept together giving rise to short periods. ... Features of MODERN periodic table: This table has 18 vertical columns CALLED groups and 7 horizontal rows known as periods. |
|