Answer:5
Explanation:(H3) is 3 (H3)2 is 5
Alloys are supposed to give greater strength to metals, which is why gold is mixed with others to make it harder. They have greater strength and are more resistant to erosion.
The answer is D: Products combine to produce new reactants... Hope this helps! :)
40.0 is the answer, sorry, I had some lag, I would've answered it like 5 minutes ago
Hope I helped