If you knew the number of valence electrons in a nonmetal atom, how would you determine the valence of the element?

Why is metal often used for cooking pan?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp