Which sample of copper has atoms with the lowest average kinetic energy? 1. 10. g at 45°c 2. 20. g at 35°c 3. 30. g at 25°c 4. 40. g at 15°c

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Nonmetal halogen family atmoic mass 35

Calcium chloride +gold(1) oxide—>