What are the number of protons, electrons, and neutrons in one atom of neon? protons

electrons

neutrons

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.

What is a number added in front of a formula in order to balance the equation

What causes the appearance of lines in a emission spectrum