EBK PHYSICAL UNIVERSE
15th Edition
ISBN: 9780100255036
Author: KRAUSKOPF
Publisher: YUZU
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Chapter 10, Problem 22E
To determine
The chemical behavior of Lithium and Sodium is similar has to be explained.
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(a) Using the periodic table provided, write down the shorthand electron notation for the following three
elements and indicate whether they are active, inactive or intermediate:
Scandium (Sc):
Argon (Ar); Aluminium (Al)
(b) Metals are conductors of electricity whereas insulators such as ceramic materials are not. Using the
honding theory, show and explain why metals are conductors and ceramics are insulators.
(c) Aluminium is a good conductor of electricity. A 100 m aluminium wire of diameter 2.25 mm is to be
used in domestic electrical wiring. If a voltage of 250V and a current of 13 amps are needed,
answer the following
i.
What is the conductivity of the aluminium wire?
ii.
Give two reasons why aluminium wire is not used in domestic wiring in Zambia?
ii.
Give three applications of pure aluminium.
A popular basis set used in routine electronic structure calculations is
the 6-31G basis. What does the "6" signify?
number of primitive functions used to form inner valence orbitals
total number of primitive functions used to construct each atomic
orbital
number of primitive functions used to form outer valence orbitals
the number of primitive functions used to model each inner shell
orbital
It is relatively easy to strip the outer elections from a heavy atom like that of uranium (which then becomes a uranium ion), but it is very difficult to remove the inner electrons. Why do you suppose this is so?
Chapter 10 Solutions
EBK PHYSICAL UNIVERSE
Ch. 10 - Prob. 1MCCh. 10 - Prob. 2MCCh. 10 - Prob. 3MCCh. 10 - Prob. 4MCCh. 10 - Prob. 5MCCh. 10 - Prob. 6MCCh. 10 - Prob. 7MCCh. 10 - Prob. 8MCCh. 10 - Prob. 9MCCh. 10 - Prob. 10MC
Ch. 10 - Prob. 11MCCh. 10 - Prob. 12MCCh. 10 - Prob. 13MCCh. 10 - Prob. 14MCCh. 10 - Prob. 15MCCh. 10 - Prob. 16MCCh. 10 - Prob. 17MCCh. 10 - Prob. 18MCCh. 10 - Prob. 19MCCh. 10 - Prob. 20MCCh. 10 - Prob. 21MCCh. 10 - Prob. 22MCCh. 10 - Prob. 23MCCh. 10 - Prob. 24MCCh. 10 - Prob. 25MCCh. 10 - Prob. 26MCCh. 10 - Prob. 27MCCh. 10 - Prob. 28MCCh. 10 - Prob. 29MCCh. 10 - Prob. 30MCCh. 10 - Prob. 31MCCh. 10 - Prob. 32MCCh. 10 - Prob. 33MCCh. 10 - Prob. 34MCCh. 10 - Prob. 35MCCh. 10 - Prob. 36MCCh. 10 - Prob. 37MCCh. 10 - Prob. 38MCCh. 10 - Prob. 39MCCh. 10 - Prob. 40MCCh. 10 - Prob. 1ECh. 10 - Prob. 2ECh. 10 - Prob. 3ECh. 10 - Prob. 4ECh. 10 - Prob. 5ECh. 10 - Prob. 6ECh. 10 - Prob. 7ECh. 10 - Prob. 8ECh. 10 - Prob. 9ECh. 10 - Prob. 10ECh. 10 - Prob. 11ECh. 10 - The Bronze Age got its name from the ability of...Ch. 10 - Prob. 13ECh. 10 - What energy change would you expect when a...Ch. 10 - Prob. 15ECh. 10 - Prob. 16ECh. 10 - Prob. 17ECh. 10 - Prob. 18ECh. 10 - Prob. 19ECh. 10 - Prob. 20ECh. 10 - Prob. 21ECh. 10 - Prob. 22ECh. 10 - Prob. 23ECh. 10 - Prob. 24ECh. 10 - Prob. 25ECh. 10 - Prob. 26ECh. 10 - Prob. 27ECh. 10 - Prob. 28ECh. 10 - Prob. 29ECh. 10 - Prob. 30ECh. 10 - Prob. 31ECh. 10 - Prob. 32ECh. 10 - Prob. 33ECh. 10 - Prob. 34ECh. 10 - Prob. 35ECh. 10 - Prob. 36ECh. 10 - Prob. 37ECh. 10 - Prob. 38ECh. 10 - Prob. 39ECh. 10 - Prob. 40ECh. 10 - Prob. 41ECh. 10 - Prob. 42ECh. 10 - Prob. 43ECh. 10 - How many atoms of which elements are present in a...Ch. 10 - Prob. 45ECh. 10 - Prob. 46ECh. 10 - Prob. 47ECh. 10 - Prob. 48ECh. 10 - Prob. 49ECh. 10 - Prob. 50ECh. 10 - Prob. 51ECh. 10 - Prob. 52ECh. 10 - Prob. 53ECh. 10 - Prob. 54ECh. 10 - Prob. 55ECh. 10 - Prob. 56ECh. 10 - Prob. 57ECh. 10 - Prob. 58ECh. 10 - Prob. 59ECh. 10 - Prob. 60ECh. 10 - Prob. 61ECh. 10 - Prob. 62E
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- An atom that is considered a "good" electron needs to have an available energy level that is lower than the energy of a valence electron of a different atom. An atom that is considered a "poor" electron will have the valence electrons be at a higher energy than other atoms. Given this, consider rows 2 and 5 in the periodic table. Why should fluorine, in row 2, be more reactive than iodine, in row 5, while lithium, in row 2, is less reactive than rubidium, in row 5?arrow_forwardThe separation between hydrogen atoms in a H2 molecule is about 0.075 nm. Determine the characteristic energy of rotation in eV.arrow_forwardFor the preceding problem, find the equilibrium separation of the H and Cl atoms. Compare this with the actual value.arrow_forward
- The measured density of a NaF crystal is 2.558 g/cm3 . What is the equilibrium separate distance of Na+ and Flions?arrow_forwardThe separation between oxygen atoms in an O2 molecule is about 0.121 nm. Determine the characteristic energy of rotation in eV.arrow_forwardDirections: Complete the electron configuration of the following element and get the quantum numbers where the valence electron belong. You may follow the pattern below to complete the electronarrow_forward
- Why are the elements with good electrical conductivities also generally good thermal conductors?arrow_forwardBy using the Hund's rule, complete the electron configuration for the following atoms: a) Sodium (Na) b) Oxygen (O)arrow_forwardCalculate the binding energy between the FCC elements below: ELEMENT A: lonic charge= 1 Weight = 43.36 g/mol %3D radius = 291 pm %3D Atomic number = 98 %3D ELEMENT B: lonic charge = -1 Weight = 216.89 g/mol %3D radius = 280 pm Atomic number = 9.3 Answer:arrow_forward
- What exactly does the phrase "complementary MOS" mean?arrow_forwardAn isolated LiCl molecule has its chloride ion (mass = 35 atomic mass units) at x = 0 pm , and its lithium ion (mass = 7 u) at x= 202 pm. What is the molecule's mass? depends on the chlorine isotope O 20 u 42 u O 28 uarrow_forwardTable 1.2 Structures and Cell Dimensions of Some Elements and Compounds Element or compound 7803838 2 2 2 2 2 5 Al Be Pt Si Ag Na Structure Agl ZnS CdS fec hcp fcc Diamond bcc hcp fcc Diamond fec bcc fec Diamond fec bcc hep LiH NaCl AgBr MnO CsCl TIBr Cu Zn (B-brass) Cesium chloride CuF Sodium chloride Sodium chloride Sodium chloride Sodium chloride Cesium chloride Cesium chloride Zincblende Zincblende Zincblende Zincblende a, Å 4.04 2.27 5.56 3.56 2.88 2.51 3.61 5.65 4.07 2.86 3.92 5.43 4.08 4.28 2.66 4.08 5.63 5.77 4.43 4.11 3.97 2.94 4.26 6.47 5.41 5.82 c, Å 3.59 4.07 4.94arrow_forward
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