CHEMISTRY:ATOMS FIRST-ALEKS 360 ACCESS
3rd Edition
ISBN: 9781259923173
Author: Burdge
Publisher: MCG
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Question
Chapter 4.1, Problem 1PPA
(a)
Interpretation Introduction
Interpretation:
Most similar property of silicon should be identified.
(b)
Interpretation Introduction
Interpretation:
Least similar property of nitrogen should be identified in 5A group.
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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?
Until the early 1960s the group 8A elements were called the inert gases; before that they were called the rare gases. The term rare gases was dropped after it was discovered that argon accounts for roughly 1% of Earth’s atmosphere. (a) Why was the term inert gases dropped? (b) What discovery triggered this change in name? (c)What name is applied to the group now?
Chapter 4 Solutions
CHEMISTRY:ATOMS FIRST-ALEKS 360 ACCESS
Ch. 4.1 - Prob. 4.1WECh. 4.1 - Prob. 1PPACh. 4.1 - Prob. 1PPBCh. 4.1 - Prob. 1PPCCh. 4.1 - Prob. 4.1.1SRCh. 4.1 - Prob. 4.1.2SRCh. 4.1 - Prob. 4.1.3SRCh. 4.2 - Prob. 4.2WECh. 4.2 - Without using a periodic table, give the...Ch. 4.2 - Identify the elements represented by (a)...
Ch. 4.2 - Prob. 2PPCCh. 4.2 - Prob. 4.2.1SRCh. 4.2 - Prob. 4.2.2SRCh. 4.4 - Referring only to a periodic table, arrange the...Ch. 4.4 - Prob. 3PPACh. 4.4 - Prob. 3PPBCh. 4.4 - Prob. 3PPCCh. 4.4 - Prob. 4.4WECh. 4.4 - Which element. Mg or Al, will have the higher...Ch. 4.4 - Explain why Rb has a lower IE1 than Sr, but Sr has...Ch. 4.4 - Imagine an arrangement of atomic orbitals in an...Ch. 4.4 - For each pair of elements, indicate which one you...Ch. 4.4 - Prob. 5PPACh. 4.4 - Explain why the EA1 for Ge is greater than the EA1...Ch. 4.4 - In the same hypothetical arrangement described in...Ch. 4.4 - For carbon and nitrogen, use the effective nuclear...Ch. 4.4 - Between which two charges is the attractive force...Ch. 4.4 - What must the distance be between charges of +2.25...Ch. 4.4 - Rank these pairs of charged objects in order of...Ch. 4.4 - Arrange the elements Ca, Sr, and Ba in order of...Ch. 4.4 - Prob. 4.4.2SRCh. 4.4 - For each of the following pairs of elements,...Ch. 4.4 - Prob. 4.4.4SRCh. 4.4 - Which pair of opposite charges has the greatest...Ch. 4.4 - What must the separation between charges of +2 and...Ch. 4.5 - Write electron configurations for the following...Ch. 4.5 - Write electron configurations for (a) O2, (b)...Ch. 4.5 - Prob. 7PPBCh. 4.5 - Prob. 7PPCCh. 4.5 - Prob. 4.8WECh. 4.5 - Prob. 8PPACh. 4.5 - Prob. 8PPBCh. 4.5 - Select the correct valence orbital diagram for the...Ch. 4.5 - What is the charge on a titanium ion that is...Ch. 4.5 - Prob. 4.5.2SRCh. 4.5 - Select the correct ground-state electron...Ch. 4.5 - Prob. 4.5.4SRCh. 4.5 - Which of the following ions is diamagnetic? (a)...Ch. 4.6 - Identify the isoelectronic series in the following...Ch. 4.6 - Arrange the following isoelectronic series in...Ch. 4.6 - List all the common ions that are isoelectronic...Ch. 4.6 - Prob. 9PPCCh. 4.6 - Prob. 4.6.1SRCh. 4.6 - Prob. 4.6.2SRCh. 4 - Prob. 4.1KSPCh. 4 - Prob. 4.2KSPCh. 4 - Prob. 4.3KSPCh. 4 - Prob. 4.4KSPCh. 4 - Briefly describe the significance of Mendeleevs...Ch. 4 - What is Moseleys contribution to the modem...Ch. 4 - Describe the general layout of a modern periodic...Ch. 4 - What is the most important relationship among...Ch. 4 - Prob. 4.5QPCh. 4 - Prob. 4.6QPCh. 4 - Prob. 4.7QPCh. 4 - Prob. 4.8QPCh. 4 - Without referring to a periodic table, write the...Ch. 4 - Prob. 4.10QPCh. 4 - Prob. 4.11QPCh. 4 - Prob. 4.12QPCh. 4 - For centuries, arsenic has been the poison of...Ch. 4 - In the periodic table, the element hydrogen is...Ch. 4 - An atom of a certain clement has 16 electrons....Ch. 4 - Prob. 4.16QPCh. 4 - Prob. 4.17QPCh. 4 - Prob. 4.18QPCh. 4 - Prob. 4.19QPCh. 4 - For each of the following ground-state electron...Ch. 4 - Determine what element is designated by each of...Ch. 4 - Prob. 4.22QPCh. 4 - Explain why there is a greater increase in...Ch. 4 - The election configuration of B is1s22s22p1. (a)...Ch. 4 - The election configuration of C is1s22s22p1. (a)...Ch. 4 - Prob. 4.26QPCh. 4 - Prob. 4.27QPCh. 4 - Equation 4.2 is used to calculate the force...Ch. 4 - Use the second period of the periodic table as an...Ch. 4 - Prob. 4.30QPCh. 4 - Prob. 4.31QPCh. 4 - Prob. 4.32QPCh. 4 - Prob. 4.33QPCh. 4 - Prob. 4.34QPCh. 4 - Prob. 4.35QPCh. 4 - Prob. 4.36QPCh. 4 - Prob. 4.37QPCh. 4 - Prob. 4.38QPCh. 4 - Prob. 4.39QPCh. 4 - Consider two ions with opposite charges separated...Ch. 4 - Prob. 4.41QPCh. 4 - Prob. 4.42QPCh. 4 - Prob. 4.43QPCh. 4 - On the basis of their positions in the periodic...Ch. 4 - Prob. 4.45QPCh. 4 - Prob. 4.46QPCh. 4 - Prob. 4.47QPCh. 4 - Prob. 4.48QPCh. 4 - Prob. 4.49QPCh. 4 - Prob. 4.50QPCh. 4 - Prob. 4.51QPCh. 4 - Prob. 4.52QPCh. 4 - In general, the first ionization energy increases...Ch. 4 - Prob. 4.54QPCh. 4 - Prob. 4.55QPCh. 4 - Prob. 4.56QPCh. 4 - Prob. 4.57QPCh. 4 - Prob. 4.58QPCh. 4 - Specify which of the following elements you would...Ch. 4 - Considering their electron affinities, do you...Ch. 4 - Prob. 4.61QPCh. 4 - Prob. 4.62QPCh. 4 - Prob. 4.63QPCh. 4 - Prob. 4.64QPCh. 4 - Prob. 4.65QPCh. 4 - Prob. 4.66QPCh. 4 - Prob. 4.67QPCh. 4 - Prob. 4.68QPCh. 4 - Prob. 4.69QPCh. 4 - Write the ground-state electron configurations of...Ch. 4 - Write the ground-state electron configurations of...Ch. 4 - Prob. 4.72QPCh. 4 - Prob. 4.73QPCh. 4 - Identify the ions, each with a net charge of +1,...Ch. 4 - Prob. 4.75QPCh. 4 - Prob. 4.76QPCh. 4 - Group the species that are isoelectronic: Be2+, F,...Ch. 4 - For each pair of ions, determine which will have...Ch. 4 - Rank the following ions in order of increasing...Ch. 4 - Prob. 4.80QPCh. 4 - Prob. 4.81QPCh. 4 - Prob. 4.82QPCh. 4 - A metal ion with a net +3 charge has five...Ch. 4 - Identify the atomic ground-state electron...Ch. 4 - Each of the following ground-state electron...Ch. 4 - Prob. 4.86QPCh. 4 - Prob. 4.87QPCh. 4 - Prob. 4.88QPCh. 4 - Indicate which one of the two species in each of...Ch. 4 - Prob. 4.90QPCh. 4 - Prob. 4.91QPCh. 4 - Prob. 4.92QPCh. 4 - Prob. 4.93QPCh. 4 - Prob. 4.94QPCh. 4 - Prob. 4.95QPCh. 4 - Prob. 4.96QPCh. 4 - Prob. 4.97QPCh. 4 - Prob. 4.98QPCh. 4 - Prob. 4.99QPCh. 4 - Prob. 4.100QPCh. 4 - Arrange the following species in isoelectronic...Ch. 4 - Prob. 4.102QPCh. 4 - Prob. 4.103QPCh. 4 - Prob. 4.104QPCh. 4 - Prob. 4.105QPCh. 4 - Prob. 4.106QPCh. 4 - Prob. 4.107QPCh. 4 - Prob. 4.108QPCh. 4 - Contrary to the generalized trend that atomic...Ch. 4 - Prob. 4.110QPCh. 4 - Prob. 4.111QPCh. 4 - Prob. 4.112QPCh. 4 - Prob. 4.113QPCh. 4 - Prob. 4.114QPCh. 4 - Prob. 4.115QPCh. 4 - Prob. 4.116QPCh. 4 - Prob. 4.117QPCh. 4 - Prob. 4.118QPCh. 4 - Prob. 4.119QPCh. 4 - The energy needed for the following process is...Ch. 4 - Using your knowledge of the periodic trends with...Ch. 4 - Prob. 4.122QPCh. 4 - Prob. 4.123QPCh. 4 - Prob. 4.124QPCh. 4 - Explain, in terms of their electron...Ch. 4 - Prob. 4.126QPCh. 4 - Prob. 4.127QPCh. 4 - This graph charts the first six ionization...Ch. 4 - Prob. 4.129QPCh. 4 - Prob. 4.130QPCh. 4 - Prob. 4.131QPCh. 4 - Prob. 4.132QPCh. 4 - Predict the atomic number and ground-state...Ch. 4 - Prob. 4.134QPCh. 4 - Prob. 4.135QPCh. 4 - Prob. 4.136QPCh. 4 - The first six ionizations of a gaseous atom can be...Ch. 4 - Prob. 4.138QPCh. 4 - Prob. 4.139QP
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