B.)because they are packet tight
An element is a pure substance
Lava means wash in spanish.
The number of particles (molecules or atoms) is: 6.022 x 10²³ particles (atoms or molecules).
1 mol of H₂O has 6.022 x 10²³ molecules.
1 mol of Al has 6.022 x 10²³ atoms.
Before it is released it as potential energy and after it has been released it transforms into kinetic energy.
