Principles of General, Organic, Biological Chemistry
2nd Edition
ISBN: 9780073511191
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 2, Problem 2.39UKC
(a)
Interpretation Introduction
Interpretation:
The element which has electronic configuration
(b)
Interpretation Introduction
Interpretation:
The valence electrons of aluminium have to be given.
Concept Introduction:
Valence electrons:
Valence electrons are electrons that exist in the outermost shell surrounding an atomic nucleus.
(c)
Interpretation Introduction
Interpretation:
The group and the periodic number of Aluminium have to be given.
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Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of 19.9% and 80.1%, respectively.
(a) In what ways do the two isotopes differ from each other? Does the electronic configuration of 10B differ from that of 11B?
(b) Draw the orbital diagram for an atom of 11B. Which electrons are the valence electrons?
(c) Indicate three ways in which the 1s electrons in boron differ from its 2s electrons.
(d) Elemental boron reacts with fluorine to form BF3, a gas. Write a balanced chemical equation for the reaction of solid boron with fluorine gas.
(e) ΔHf° for BF3(g) is -1135.6 kj/mol. Calculate the standard enthalpy change in the reaction of boron with fluorine.
(f) Will the mass percentage of F be the same in 10BF3 and 11BF3? If not, why is that the case?
Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of 19.9% and 80.1%, respectively.(a) In what ways do the two isotopes differ from each other? Does the electronic configuration of 10B differ from that of 11B? (b) Drawthe orbital diagram for an atom of 11B. Which electrons are the valence electrons? (c) Indicate three ways in which the 1s electrons inboron differ from its 2s electrons. (d) Elemental boron reacts with fluorine to form BF3, a gas. Write a balanced chemical equation forthe reaction of solid boron with fluorine gas. (e) ΔHf° for BF31g2 is -1135.6 kJ>mol. Calculate the standard enthalpy change in thereaction of boron with fluorine. (f) Will the mass percentage of F be the same in 10BF3 and 11BF3? If not, why is that the case?
An element has the following electronic configuration: [Kr]4d105s25p2(a) What period does it belong to?(b) What is its group number? (Use group numbers from 1 to 18)(c) What kind of element is it? (Main group metal, transition metal, metalloid, nonmetal?)(d) How many unpaired electrons are there in an atom of this element?
Chapter 2 Solutions
Principles of General, Organic, Biological Chemistry
Ch. 2.1 - Give the symbol for each element. a. calcium, a...Ch. 2.1 - Prob. 2.2PCh. 2.1 - Give the name corresponding to each element...Ch. 2.1 - Locate each element in the periodic table and...Ch. 2.1 - Classify each micronutrient in Figure 2.2 as a...Ch. 2.1 - Identify the elements used in each example of...Ch. 2.1 - Identify the elements in each chemical formula,...Ch. 2.1 - Prob. 2.8PCh. 2.2 - Prob. 2.9PCh. 2.2 - Prob. 2.10P
Ch. 2.2 - Prob. 2.11PCh. 2.2 - Prob. 2.12PCh. 2.2 - Prob. 2.13PCh. 2.3 - Prob. 2.14PCh. 2.3 - Prob. 2.15PCh. 2.3 - Prob. 2.16PCh. 2.3 - Prob. 2.17PCh. 2.3 - Prob. 2.18PCh. 2.4 - Prob. 2.19PCh. 2.4 - Give the period and group number for each element:...Ch. 2.4 - Prob. 2.21PCh. 2.4 - Prob. 2.22PCh. 2.5 - Prob. 2.23PCh. 2.6 - Prob. 2.24PCh. 2.6 - Prob. 2.25PCh. 2.6 - Prob. 2.26PCh. 2.7 - Identify the total number of electrons, the number...Ch. 2.7 - Prob. 2.28PCh. 2.7 - Prob. 2.29PCh. 2.8 - Which element in each pair has the larger atomic...Ch. 2.8 - Which element in each pair has the higher...Ch. 2.8 - Prob. 2.32PCh. 2 - Identify the elements used in each example of...Ch. 2 - Prob. 2.34UKCCh. 2 - Prob. 2.35UKCCh. 2 - Prob. 2.36UKCCh. 2 - Prob. 2.37UKCCh. 2 - Prob. 2.38UKCCh. 2 - Prob. 2.39UKCCh. 2 - Prob. 2.40UKCCh. 2 - Prob. 2.41UKCCh. 2 - Prob. 2.42UKCCh. 2 - Prob. 2.43UKCCh. 2 - Prob. 2.44UKCCh. 2 - Prob. 2.45APCh. 2 - Prob. 2.46APCh. 2 - Prob. 2.47APCh. 2 - Identify the elements in each chemical formula and...Ch. 2 - Prob. 2.49APCh. 2 - Prob. 2.50APCh. 2 - Prob. 2.51APCh. 2 - Prob. 2.52APCh. 2 - Prob. 2.53APCh. 2 - Prob. 2.54APCh. 2 - Prob. 2.55APCh. 2 - Prob. 2.56APCh. 2 - Prob. 2.57APCh. 2 - Prob. 2.58APCh. 2 - The most common isotope of oxygen has a mass...Ch. 2 - Prob. 2.60APCh. 2 - Prob. 2.61APCh. 2 - Prob. 2.62APCh. 2 - Prob. 2.63APCh. 2 - Prob. 2.64APCh. 2 - Prob. 2.65APCh. 2 - Prob. 2.66APCh. 2 - Prob. 2.67APCh. 2 - Prob. 2.68APCh. 2 - Prob. 2.69APCh. 2 - Prob. 2.70APCh. 2 - Prob. 2.71APCh. 2 - Prob. 2.72APCh. 2 - Prob. 2.73APCh. 2 - Prob. 2.74APCh. 2 - Prob. 2.75APCh. 2 - Prob. 2.76APCh. 2 - Prob. 2.77APCh. 2 - Prob. 2.78APCh. 2 - Prob. 2.79APCh. 2 - Prob. 2.80APCh. 2 - Prob. 2.81APCh. 2 - Prob. 2.82APCh. 2 - Prob. 2.83APCh. 2 - Arrange the elements in each group in order of...Ch. 2 - Prob. 2.85APCh. 2 - Prob. 2.86APCh. 2 - Answer the following questions about...Ch. 2 - Prob. 2.88APCh. 2 - Prob. 2.89APCh. 2 - (a) What is the chemical formula for...Ch. 2 - Prob. 2.91CPCh. 2 - Prob. 2.93BTCCh. 2 - Prob. 2.95BTC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
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