7.6 how the chemical elements formed Flashcards
1
Q
how are chemical elements formed? (2)
A
elements a heavy as iron are formed inside stars as a results of nuclear fusion
elements heavier than iron are formed in supernovas
2
Q
how do we know that our sun and solar system were formed from the debris of a supernova
A
heavy elements exist in our solar system (such a s uranium)
3
Q
how are chemical elements distributed through space
A
by a supernova
