A ball with the mass of 2 kg is moving at the speed of 3 m/s. what is the ball's kinetic energy

There are main groups in the modern periodic table of elements

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory