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Also, the electrons in quantum shells further away from the nucleus have more energy and are held less tightly to the nucleus. A 0 B. Two. Which Of The Following Is Smallest In Size? III has max of 18 e. IV has max of 32 e. Electrons in the outermost energy level of an atom are called valence electrons. How many electrons can the first energy level hold? 3 3p orbitals = 6 electrons. answer choices . A. K B. Li C. Na D. S 17. A. 1 C. 2 D. 3 16. 0 . 2nd holds 8 electrons. Therefore, you can say that the third energy shell holds a total of #1 + 3 + 5 = "9 orbitals"# According to the Pauli Exclusion Principle, each orbital can hold a maximum of #2# electrons*, which means that the maximum number of electrons that can be placed in the third energy shell is s-orbitals can hold 2 electrons, the p-orbitals can hold 6 electrons. and the total for the 3rd energy level equals 2 + 6 + 10 = 18. 18. The electrons in an atom occupy the lowest available energy level first. 'Big Bang' star clarifies stance on coronavirus 0. 2. Electrons orbit the atom's nucleus in energy levels. How many eletrons can the third main energy level hold? Principle Levels Of Energy: 1st holds 2 electrons. 1 . If the third energy level is the last level, then the atom can only have 8 valence electrons. If its outer energy level has 8 electrons in its outer shell. What Is The Azimuthal Quantum Number For An Electron In The Forbital? This table shows the pattern in the periodic table that Mendeleev developed and how the missing elements at that time could be predicted. 2 . 14 C. 4 D. 2 A. 18. Thus, the second shell can have 8 electrons. Eight. answer explanation ... How many electrons can the third shell have? Edit. What is Pauli's exlcusion prinicple? 28 B. How Many Electrons Can Be Placed In The Third Principal Energy Level (n=3)? 8. 3rd holds 18 electrons. The lowest energy level, n=1, is closest to the nucleus, the energy level n=2 is further out, and the same phenomenon is followed with the shells which follow. 6 B. Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The 3rd PERIOD is filled with 8 electrons, and argon is stable (and filled). A. Two answers sort of. Once a shell has 8 electrons in it then its 2 lowest energy subshells are full and the other subshells actually have a higher energy than the low energy subshells in the next shell out. 8 10 D. 18 C. 15. alternatives . However, the 3rd ENERGY LEVEL is filled as follows: 1 3s orbital = 2 electrons. Five. No 2 electrons in the same atom can have the same 4 quantum numbers. 4th holds 32 electrons. 1. 8 . They determine many of the properties of …