Write the chemical formulae of Nitrates (NO3–) of Na+, K+, Al3+, Mg2+, Ca2+, Zn2+.
(i) For Na+
By applying criss-cross method:
Formula: NaNO3
(ii) For K+
By applying criss-cross method:
Formula: KNO3
(iii) For Al3+
By applying criss-cross method:
Formula: Al(NO3)3
(iv) For Mg2+
By applying criss-cross method:
Formula: Mg(NO3)2
(v) For Ca2+
By applying criss-cross method:
Formula: Ca(NO3)2
(vi) For Zn2+
By applying criss-cross method:
Formula: Zn(NO3)2
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