Diamond is hard because ...
- AIt is a giant molecule.
- BIt cannot be burnt.
- CIt is made of carbon atoms.
- DEach carbon atom is bonded to four other carbon atoms by covalent bonds.
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Similar Questions
The attractive interactions between cations and mobile electrons in metallic solid is called
The radii and charges of six ions are given below:
Ion $J^{+}$ $L^{+}$ $M^{2+}$ $X^{-}$ $Y^{-}$ $Z^{2-}$ Radius $(nm)$ $0.14$ $0.18$ $0.15$ $0.14$ $0.18$ $0.15$
If the ionic compounds $JX$,$LY$,and $MZ$ have the same crystal structure,then the correct order of their lattice energy is:
| Ion | $J^{+}$ | $L^{+}$ | $M^{2+}$ | $X^{-}$ | $Y^{-}$ | $Z^{2-}$ |
| Radius $(nm)$ | $0.14$ | $0.18$ | $0.15$ | $0.14$ | $0.18$ | $0.15$ |
If the ionic compounds $JX$,$LY$,and $MZ$ have the same crystal structure,then the correct order of their lattice energy is:
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