Answer:
Cu 8.92
Explanation:
The formula for density is mass/volume. If you were to divide 62.44 by 7, you would get 8.92. Since copper is the only metal in this table that has a density of 8.92, that is the answer.
Particles vibrate parallel to the direction the sound travels. It's a longitudinal wave.
Answer: Gravity
Explanation: Gravity is pulling down on the ball, making it stay on the floor
Answer:
3 electrons from nitrogen and 3 from carbon while carbon already has a lone pair along with a negative charge (called cyanide)