Magnesium is a shiny, flexible metal that can be burned in the presence of air.
When it is burned, it produces a white powder that is no longer shiny or flexible.
This white powder also has more mass than the original magnesium. *
The molecules were separated into individual atoms.
The mass of the magnesium changed.
Smoke that was trapped between the magnesium atoms was given off.
A new substance wa formed
Explain why you chose the above answer. *
Your answer