+2
+3
+4
+5
Correct answer is D
\(Pb(NO_{3})_{2}\) = \(+2 +2N + (-2\times 6) = 0\)
= \(2N = 10\)
⇒ \(N = +5\)
Use the diagram above to answer this question. The reaction taking place in flask G is known as? ...
Which of the following compounds absorbs moisture from the atmosphere and dissolves in it?...
What is the atomic number of Einsteinium? ...
A solution that contains as much solute as it can dissolve at a given temperature is said to be ...
The determination of heat of combustion is carried out with ...
Which of the following contains two amphoteric oxides? ...
The type of chemical bond that exists between potassium and oxygen in potassium oxide is ...