Answer:
1.81 x 
molecules H2
Explanation:
Use Avogadro's number:
3 moles H2 x 6.022 x 
molecules= 1.81 x molecules H2
Hydrocarbons
Hope this helps :)
Answer:
Table salt is considered to be a compound because it is made up of two elements (sodium and chloride,) while sodium itself is a raw element. That's why table salt is considered to be a compound, while sodium is not.
Hope this helped, have a nice day! :)
The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.
