Which part of an atom has most of its mass? А. electrons
B. neutrons
c. nucleus
D. protons​

Nonmetal halogen family atmoic mass 35

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?