Electron dot diagrams are a way to illustrate the number of valence electrons for an element. The symbol for the element is surrounded by a dot for each valence electron. Match the following electron dot diagrams with an element: Electron dot diagram #1 Electron dot diagram #2 Electron dot diagram #3 Electron dot diagram #4 Sodium, Na Aluminum, Al Flourine, F Nitrogen, N

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining

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.

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.