Question
Inert gases and Normal Elements
| Inert gases | Normal Elements |
| (i) In the atoms of inert gases all the shells are completely filled including outermost shell. | (i) In the atoms of normal elements,all shells are completely filled except for outermost shell. |
| (ii) They are stable and chemically inert (i.e. chemically nonreactive) | (ii)They are unstable and are chemically reactive. |
| (iii) They are included in the p-block of the Modern Periodic table. | (iii)They are included in the s-block as well as p-block of Modern Periodic table. |
| (iv) They are placed in zero group (Group 18) of the Modern Periodic table. | (iv) These elements are placed in groups 1, 2 and 13 to 17 of the Modern Periodic table. |
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