Chemical Principles
8th Edition
ISBN: 9781305581982
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 36E
Consider the elements of the carbon family: C, Si, Ge, Sn,and Pb. What is the trend in metallic character as one goesdown a group in the periodic table? What is the trend inmetallic character going from left to right across a periodin the periodic table?
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Hello, sorry I think I was a bit bland with the question. In the periodic descriptions attached below, how did you come to the conclusion that the letters equalled the elements in the chart?- Which clue helped you figure that out for each element. (Provide a small explanation of how you came to the conclusion using the given properties.)
Also, how does the Hydride, Chloride, and Oxide tell about the element? How is that helping us when finding the element?
Alphabet
Element
Name
Alphabet
Element
Name
Alphabet
Element
Name
A
C
Carbon
J
Ca
Calcium
S
Ar
Argon
B
F
Fluorine
K
Ne
Neon
T
Mg
Magnesium
C
I
Iodine
L
Be
Beryllium
U
Rb
Rubidium
D
Li
Lithium
M
K
Potassium
V
Ba
Barium
E
He
Helium
N
Ba
Barium
W
Cl
Chlorine
F
Fr
Francium
P
Kr
Krypton
X
Sn
Tin
G
Xe
Xenon
Q
Ge
Germanium
Y
Pb
Lead
I
Si
Silicon
R
Br
Bromine
Z
Na
Sodium
4.
What does presenter say about the relationship between the number of valence electrons of the main-group element and the group number of that element (except helium)?
III. For each of the following questions, consider your knowledge of periodic trends and
the table of data given below then answer each question TRUE (A) or FALSE (B).
Provide a rationale (reason) for your answer.
ale
Element
Rb Sr
Y
Zr
Nb
Мо
Tc
Ru
Rh
Pd
Ag
Cd
Atomic
2.65 2.19 2.12 2.06 1.98 1.90 1.83 1.78 1.73 1.69 1.65 1.61
radius (À)
IE: (eV)
4.18 5.69 6.22 6.63 6.76 7.09 7.12 7.36 7.46 8.34 7.58 8.99
18. TRUE (A) or FALSE (B)? The ionization energies of the elements above
decreases as their atomic radii increase.
19. TRUE (A) or FALSE (B)? Silver (Ag), as an element, is more electronegative
than palladium (Pd).
20. TRUE (A) or FALSE (B)? The ionization energy of indium (In), the next element
in this series, is >8.99 eV.
21. TRUE (A) or FALSE (B)? The ionic radius of the most likely cations formed from
ionization of Zirconium (Zr) is less than 2.06 Å.
Chapter 2 Solutions
Chemical Principles
Ch. 2 - You may have noticed that when water boils, you...Ch. 2 - Which of the following is true about an individual...Ch. 2 - How would you go about finding the number of...Ch. 2 - These questions concern the work of J. J. Thomson:...Ch. 2 - Heat is applied to an ice cube in a closed...Ch. 2 - You have a chemical in a sealed glass container...Ch. 2 - Prob. 7DQCh. 2 - One of the best indications of a useful theory is...Ch. 2 - Prob. 9DQCh. 2 - How does Dalton’s atomic theory account for each...
Ch. 2 - What refinements had to be made in Dalton’s...Ch. 2 - Which (if any) of the following can be determined...Ch. 2 - The average mass of a carbon atom is 12.011....Ch. 2 - Which of the following explain how an ion is...Ch. 2 - Prob. 15DQCh. 2 - Prob. 16DQCh. 2 - Why is calcium dichloride not the correct...Ch. 2 - Explain the law of conservation of mass, the law...Ch. 2 - Prob. 19ECh. 2 - When mixtures of gaseous H2 and gaseous Cl2 react,...Ch. 2 - Observations of the reaction between nitrogen gas...Ch. 2 - Prob. 22ECh. 2 - Hydrazine, ammonia, and hydrogen azide all contain...Ch. 2 - Consider 80.0-g samples of two different compounds...Ch. 2 - Early tables of atomic weights (masses) were...Ch. 2 - What evidence led to the conclusion that cathode...Ch. 2 - Prob. 27ECh. 2 - Prob. 28ECh. 2 - A chemist in a galaxy far, far away performed the...Ch. 2 - Do the proton and the neutron have exactly the...Ch. 2 - Consider Ernest Rutherford’s a-particle...Ch. 2 - Distinguish between the following terms. a....Ch. 2 - What is the distinction between atomic number and...Ch. 2 - Prob. 34ECh. 2 - a. List the noble gas elements. Which of the noble...Ch. 2 - Consider the elements of the carbon family: C, Si,...Ch. 2 - Prob. 37ECh. 2 - The number of protons in an atom determines the...Ch. 2 - For lighter, stable isotopes, the ratio of the...Ch. 2 - For each of the following sets of elements, label...Ch. 2 - Prob. 41ECh. 2 - Write the atomic symbol (ZAX) for each of the...Ch. 2 - Prob. 43ECh. 2 - Prob. 44ECh. 2 - Prob. 45ECh. 2 - Prob. 46ECh. 2 - Would you expect each of the following atoms to...Ch. 2 - Prob. 48ECh. 2 - The compounds AlCl3,CrCl3,andICl3 have similar...Ch. 2 - Each of the following compounds has three...Ch. 2 - Prob. 51ECh. 2 - Prob. 52ECh. 2 - Prob. 53ECh. 2 - Prob. 54ECh. 2 - Prob. 55ECh. 2 - Prob. 56ECh. 2 - Prob. 57ECh. 2 - Prob. 58ECh. 2 - Prob. 59ECh. 2 - Prob. 60ECh. 2 - Prob. 61ECh. 2 - Prob. 62AECh. 2 - Prob. 63AECh. 2 - What discoveries were made by J. J. Thomson,...Ch. 2 - Prob. 65AECh. 2 - Prob. 66AECh. 2 - A sample of chloroform is found to contain 12.0 g...Ch. 2 - In a reaction, 34.0 g of chromium(III) oxide...Ch. 2 - Prob. 69AECh. 2 - Prob. 70AECh. 2 - Prob. 71AECh. 2 - Prob. 72AECh. 2 - Prob. 73AECh. 2 - Prob. 74AECh. 2 - Prob. 75AECh. 2 - Prob. 76AECh. 2 - Prob. 77AECh. 2 - Prob. 78AECh. 2 - Prob. 79AECh. 2 - Identify each of the following elements. a. a...Ch. 2 - A certain element has only two naturally occurring...Ch. 2 - Prob. 82AECh. 2 - Which of the following is(are) correct? a. 40Ca2+...Ch. 2 - Prob. 84AECh. 2 - Prob. 85AECh. 2 - Complete the following table to predict whether...Ch. 2 - Which of the following statements is(are) correct?...Ch. 2 - Prob. 88CPCh. 2 - Each of the statements below is true, but Dalton...Ch. 2 - You take three compounds, each consisting of two...Ch. 2 - Two elements, R and Q, combine to form two...Ch. 2 - A single molecule has a mass of 7.3110223g ....Ch. 2 - A combustion reaction involves the reaction of a...Ch. 2 - You have two distinct gaseous compounds made from...Ch. 2 - You have gone back in time and are working with...
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