Experiments show that light behaves like as it travels through space.
O sound
O gravity
O + particles
O waves and particles

As light travels from source to detection, it can behave as either a particle or a wave—or, paradoxically, both states or neither state. ... Eventually, researchers performing the so-called double-slit experiment demonstrated that Newton and Huygens were both right—photons of light could behave as both particles and waves.Oct 25, 2017

Explanation:

a polar bond is formed when electrons are shared unevenly between atoms