How many neutrons are integer element oxygen when the atomic mass is 16?

8

EXPLANATION:

atomic number = No. of protons

mass number or atomic mass = no. of protons + no. of neutrons

For oxygen atom, we know its atomic number is 8. So, no. of protons is 8 and we are given the atomic mass is 16.

use the equation above,

16 = 8 + no. of neutrons

no. of neutrons = 16 - 8 = 8.

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

if you're asking what comes out, it's steam.