Question: how many electrons with l = 1 are there in the ground state of ca?
Answer: Well Ca has atomic number 20 i.e. There are 20 electrons in Ca. The electronic configuration for Ca is 1S^2, 2s^2, 2P^6,3s^2, 3p6, 4s^2. The azimuthal Q. NO for second orbital is l=1.