Consider a Hydrogen atom with the electron in the n = 9 shell. What is the energy of this system? (The magnitude of the ground state energy of the Hydrogen atom is 13.6 eV.)

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How many subshells are in this shell?

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How many electron orbits are in this main shell?

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How many electrons would fit in this main shell?

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Casey DurganLv2

17 Dec 2019

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please answer questions 12- 18

Quantum mechanics is a very complex theory. A good way to help you remember it is to compare it to an apartment building. An apartment building has different floors, different apartments on each floor, and different rooms within each apartment. We can look upon the electrons of an atom as rather peculiar apartment dwellers. Electrons prefer the floor closest to the ground and the smallest apartments. Electrons also prefer to live one to a room until each room in an apartment has one occupant. The electrons will then pair up until each room has two. Each room in an apartment can hold two electrons Apartment buildings have several floors. The model we discuss has several floors, but only the first 7 floors will be occupied. All the electrons known today will fit within 7 floors of the building. Additional floors are available but will only be occupied in special situations. The floors in the apartment building are called shells in the electron model and are numbered 1-7. 1) According to what you have just read, what shell will be occupied first by electrons? 2 flers Each shell (or floor) in the model has one or more apartments, which are called subshells. These subshells are apartments of four sizes: s,p,d, and f. An s subshell (apartment) has only a single room. A p subshell has 3 rooms. A d subshell has 5 rooms, while an fsubshell has 7 rooms. An s subshell then will hold a maximum of 2 electrons according to the model. 2) A p subshell will bold a maximum of how many electrons? 3) How many will a d subshell hold? lo e lect@n)ã.ã 4) How many will an fsubshell hold? Iy cles tiou Each room in a subshell is called an orbital. From the previous question we know that a s subshell will consist of one orbital with a capacity (occupancy) of 2 electrons. 5) A p subshell will consist of 3 orbitals with a total subshell capacity of electrons. 6) A d subshell will have 7) Anf subshell will have orbitals and a total capacity of lo_ electrons orbi electrons. The first shell (floor) has only 1 subshell (apartment), which is an s subshell Because of its location on the first shell, it is called a ls subshell 8) How many orbitals(rooms) are there in the Is subshell? 9) How many electrons will the subshell hold?-- a. The second shell (floor) only has an s subshell (apartment) and a p subshell 10) If the s subshell is called 2, what do you suppose the p subshell is called? 11) How many orbitals (rooms) are in that p subshell? 12) How many subshells are in the second shell? 13) How many orbitals are there in the second shell? 14) How many electrons can occupy the second shell? 15) The third shell has 3 subshells: s.p andd 16) What are they called? 17) How many subshells are in the third shell? 18) How many orbitals are in the third shell?

The ground-state electron configuration of an atom is 1s22s22p63s23p63d54s24p65s2. What is the valence-shell configuration of the atom in the same group, but in Period 3? Enter the subshells in the order in which they are filled. Do not use superscripts, and enter a space between each subshell. For example: Enter 1s22s22p63s23p1 as 1s2 2s2 2p6 3s2 3p1.

(a) How many subshells are present in the n=3 shell?

(b) How many orbitals are in the 4p subshell?

(d) What are the values of n and l for a 3d subshell? Give all allowed values of the m_l quantum number for this subshell?