C: sodium chloride
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Which molecule has the largest number of electrons involved in covalent bonds?
In which of the following is there a lattice of positive ions in a 'sea of electrons'?
Element X has the electronic structure 2,8,5. Element Y has the electronic structure 2,8,7. What is the likely formul…
Which element can only be extracted from its ore using electrolysis?
Scrap iron is often recycled. Which reason for recycling is not correct?
Aluminium is higher than copper in the reactivity series so the following displacement reaction should be feasible. 2…