The properties of $Li$ are similar to those of $Mg$. What is the reason for this?
- ABoth have approximately the same size.
- BTheir charge-to-size ratio is approximately the same.
- CBoth have approximately the same electronic configuration.
- DBoth are found together in nature.
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Similar Questions
Match the elements given in Column-$I$ with the colour they impart to the flame given in Column-$II$.
Column-$I$ Column-$II$ $A$. $Cs$ $1$. Apple green $B$. $Na$ $2$. Violet $C$. $K$ $3$. Brick red $D$. $Ca$ $4$. Yellow $E$. $Sr$ $5$. Crimson red $F$. $Ba$ $6$. Blue
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. $Cs$ | $1$. Apple green |
| $B$. $Na$ | $2$. Violet |
| $C$. $K$ | $3$. Brick red |
| $D$. $Ca$ | $4$. Yellow |
| $E$. $Sr$ | $5$. Crimson red |
| $F$. $Ba$ | $6$. Blue |
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