Boiling water results in no chemical change. If water is just heated to its boiling temperature then there is a physical change.
7. 1,2,2,2
8. 4,3,1
9. 1,4,1,2
10. 3,4,1,4
Answer:
electrons are responsible for the chemical bonding
SI unites are based on multiplying or dividing by 10, 100, 1,000, 10,000 (and so on...) depending on the unit you're solving for.