Question

equauon
DUS
(c) phosphorus in PH,
(d) carbon in CH
6. What is the valency of:
(a) fluorine in CaF2 (b) sulphur in SF
(e) nitrogen in the following compounds:
(1) N2O3
(i) N2O5
(f) Manganese in MnO, (g) Copper is Cu,
(iv) NO
(iii) NO2
(h) Magnesium in Mg N2
7. Why should an equation be balanced ? Explain with the help of a simple equation.​

Answer 1

Answer:

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