They create salt when put together
I think the answer you are looking for is D.
Hope this helps!!! :D
the numbers are going to be small so like a power but its at the bottom
NH3, H2O2, NHO2
Answer:
Measuring its density and comparing your result to a list of known densities, or other properties that give you useful info
Explanation:
You can use observations about substances to form a hypothesis about the substance by comparing it to others. Ex: if something is magnetic it must be made of one or more of the elements iron, cobalt, or nickel.
