<span>it is A. Mendeleev observed that tellurium has chemical....</span>
<span>Kinetic energy is the energy of mass in motion. The kinetic energy of an object is the energy it has because of its motion. ... When we double the mass, we double the energy; however, when we double the velocity, energy increases by a factor of four.</span>
I believe it becomes gasses the hotter it gets
If no subscript appears, one atom of that element is present.
