<span>Because you've added coefficients to the molecules on the right side of the equation, the number of oxygen atoms has changed.</span>
Kinetic energy is the energy of moving things
Cars, aeroplanes, factories etc
I don't get what you are saying... Can you reword it?
Sodium (NA)
the sodium atom is donating its 1 valence electron to the chlorine atom. This creates a sodium cation and a chlorine anion. Notice that the net charge of the resulting compound is 0.