What is the force of a 10 kg. and its velocity is 2m/s

The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the

Compare and contrast the bohr model and the electron cloud models of the atom.

Why is carbon ideal for making different compounds?