Sodium cholride is an example of a molecule whose atoms are held together by which of the following? a.) hydrogen bonds b.) covalent bonds c.) metallic monds d.) ionic bonds

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.