What makes the magnesium ribbon spark when it burns?

Question

What makes the magnesium ribbon spark when it burns?

Answer 1

The electrons in its outer shell

Answer 2

well, as you know, magnesium is in the 2nd group of PTE, so it vigorously reacts coming in contact with air, like, for example, Sodium, but not the vigorously. Mg has two electrons in its last shell and it wants to get rid off them, so thet's why