Which of the following are ionic carbides?
- A$CaC_2$
- B$Al_4C_3$
- C$Be_2C$
- DAll of the above
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Give a brief account of the abundance of alkali metals and alkaline earth metals in the Earth's crust.
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View SolutionMatch the following:List-$I$ List-$II$ $A$. Alkali metals $I$. $ns^2 np^6$ $B$. Alkaline earth metals $II$. $ns^1$ $C$. Halogens $III$. $ns^2 np^5$ $D$. Noble gases $IV$. $ns^2$
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|---|---|
| $A$. Alkali metals | $I$. $ns^2 np^6$ |
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