For a single atom, the charge is the number of protons minus the number of electrons
No, Matter cannot be created nor deastroyed.
As the air molecules move through the valve they have friction as they hit the walls, and its this friction that causes it to heat up.
Answer:
8.96 g/mL
Explanation:
density = mass / volume
density = 134.3g / 15.0 mL
density = 8.96 g/mL
Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. Besides bouncing back like an echo, waves may bend or spread out when they strike a new medium. These three ways that waves may interact with matter are called reflection, refraction, and diffraction.
