MCQ
Which of the following statement is not correct
- ✓Metals contribute their valency electrons to the common sea of electrons
- BMetals have high co-ordination number
- CMetals tend to adopt closely packed structures
- DMetals have high lattice energy
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The above reaction is classified as
[Atomic masses $\mathrm{Cu}: 63.54\, \mathrm{u}, \mathrm{S}: 32\, \mathrm{u}, \mathrm{O}: 16 \,\mathrm{u}, \mathrm{H}: 1\, \mathrm{u}]$