Bohr changed our understanding of the atom when he observed electromagnetic spectral lines in hydrogen. What causes the lines he observed

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

The organs inside the body and how they function together

Convert a speed of 201 cm/s to units of inches per minute. also, show the unit analysis by dragging components into the unit‑factor slots.