Medium
Use Mendeleev's Periodic Table to predict the formulae for the oxides of the following elements: $K, C, Al, Si, Ba$.
- A$K_2O, CO_2, Al_2O_3, SiO_2, BaO$
- B$K_2O, CO, Al_2O_3, SiO, BaO_2$
- C$KO, CO_2, AlO_3, Si_2O_4, Ba_2O$
- D$K_2O_2, C_2O, Al_3O_2, SiO_2, BaO_2$
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Similar Questions
The position of three elements $A$,$B$ and $C$ in the Periodic Table are shown below:
Group $16$ Group $17$ - - - $A$ - - $B$ $C$
$(a)$ Will $C$ be larger or smaller in size than $B$?
$(b)$ Which type of ion,cation or anion,will be formed by element $A$?
| Group $16$ | Group $17$ |
|---|---|
| - | - |
| - | $A$ |
| - | - |
| $B$ | $C$ |
$(a)$ Will $C$ be larger or smaller in size than $B$?
$(b)$ Which type of ion,cation or anion,will be formed by element $A$?
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