QUANTUM MECHANICAL MODEL

If the first and second energy levels of an atom are full, then what would be the total number of electrons in the atom?

Which of the following sub-levels is correctly designated?

Each sub level has its maximum number of orbitals. How many orbitals are in the third principal energy level?

Which of the following main energy levels of an atom can accommodate a maximum of 18 electrons?

How many orbitals are present in the 4p sub level?

If the 1^st energy level is already filled up with 2 electrons, what level should be filled up next?

According to Pauli Exclusion Principle, how many electrons may occupy a single orbital?

“An electron should occupy the lowest energy level first before the higher energy level” is stated in what rule?

What rule states that single electrons must occupy each equal-energy orbital before additional electrons can occupy the same orbitals.

Which of the following statement is wrong?