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Chapter 8: Q51E (page 342)

Were it to follow the standard pattern, what would be the electronic configuration of element 119.

Short Answer

Expert verified

The resultant answer is

$1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{2} 4 p^{6} 4 d^{10} 4 f^{14} 5 s^{2} 5 p^{6} 5 d^{10} 5 f^{14} 6 s^{2} 6 p^{6} 6 d^{10} 7 s^{2} 7 p^{6} 8 s^{1}$

Step by step solution

01

Given data

The given data is an element of 119.

02

Concept of Electronic configuration

Electronic configuration, also called electronic structure, the arrangement of electrons in energy levels around an atomic nucleus.

03

Determine the electronic configuration

The electronic configuration of the element with $Z = 119$ will be:

$1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{2} 4 p^{6} 4 d^{10} 4 f^{14} 5 s^{2} 5 p^{6} 5 d^{10} 5 f^{14} 6 s^{2} 6 p^{6} 6 d^{10} 7 s^{2} 7 p^{6} 8 s^{1}$

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Most popular questions from this chapter

Consider $Z = 19$ potassium. As a rough approximation assume that each of its $n = 1$ electron s orbits 19 pro. tons and half an electron-that is, on average, half its fellow $n = 1$ electron. Assume that each of its $n = 2$ electrons orbits 19 protons, two Is electrons. and half of the seven other $n = 2$ electrons. Continue the process, assuming that electrons at eachorbit a correspondingly reduced positive charge. (At each, an electron also orbits some of the electron clouds of higher. but we ignore this in our rough approximation.)

(a) Calculate in terms of $a_{0}$ the orbit radii of hydrogenlike atoms of these effective Z,

(b) The radius of potassium is often quoted at around $0.22 nm$ . In view of this, are your $n = 1$ through $n = 3$ radii reasonable?

(c) About how many more protons would have to be "unscreened" to the $n = 4$ electron to agree with the quoted radius of potassium? Considering the shape of its orbit, should potassium's $n = 4$ electron orbit entirely outside all the lower-electrons?

Identify the different total angular momentum states $(j, m_{j})$ allowed a 3d electron in a hydrogen atom.

What is the angle between $L$ and $S$ in a (a) $2 p_{3 / 2}$ and(b) $2 p_{1 / 2}$ state of hydrogen?

Exercise 45 refers to state I and II and put their algebraic sum in a simple form. (a) Determine algebraic difference of state I and state II.

(b) Determine whether after swapping spatial state and spin state separately, the algebraic difference of state I and state II is symmetric, antisymmetric or neither, and to check whether the algebraic difference becomes antisymmetric after swapping spatial and spin states both.

What is the angle between the spins in a triplet state?

See all solutions

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