What happens when a sound wave encounters an obstacle in its path? A sound wave’s wavelength allows it to pass through objects.

Sound waves bend around the corners of obstacles.

Sound waves can easily pass through any object.

A sound wave’s amplitude allows it to move around objects.

The spund is loaud

Explanation:

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72

the answer is 75.0%.