Surface tension. Im not sure if this is completely right but I hope I helped :)
Na is reduce as it gain electron from cl
C. A compound !hope this helps!
To shorten it, i would say that Kinetic energy is determined by the speed and mass of an object
The answer is b. Mass of the atoms
This is because of the law of conservation of mass. This means the mass in a system (in this case the reaction) can't change, so the quantity can't be added or removed
