Zn2+ is a class A acceptor in the classification of Ahrland, Chatt and Davies,[16] and so forms stronger complexes with the first-row donor atoms oxygen or nitrogen than with second-row sulfur or phosphorus. Share with Email, opens mail client NO3 is covalent in nature because nitrogen and oxygen, both are non-metals and hence, an ionic bond cannot be formed between them. Like the hydroxides of other metals, such as lead, aluminium, beryllium, tin and chromium, Zinc hydroxide (and Zinc oxide), is amphoteric. One major use is as an absorbent in surgical dressings. //
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