Connect for Chemistry
13th Edition
ISBN: 9781260161854
Author: Raymond Chang, Jason Overby
Publisher: Mcgraw-hill Higher Education (us)
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 8, Problem 8.12QP
What are valence electrons? For representative elements, the number of valence electrons of an element is equal to its group number. Show that this is true for the following elements: Al, Sr, K, Br, P, S, C.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The first five ionization energies (IE, through IE,) of a Period 2 element have the following pattern:
IE, IE2 IE3 IEĄ IE5
Make a reasonable guess about which element this is. Enter its chemical symbol below.
?
kJ/mol
The first five ionization energies (IE, through IES) of a Period 6 element have the following pattern:
kJ/mol
IE₁ IE2 IE3 IE4 IE5
Make a reasonable guess about which element this is. Enter its chemical symbol below.
11
X
5.
2. Which of the following does have the lowest ionization energy?
Z of Te = 52, I = 53, V = 23
Chapter 8 Solutions
Connect for Chemistry
Ch. 8.2 - An atom of a certain element has 20 electrons. (a)...Ch. 8.2 - Identify the elements that fit the following...Ch. 8.2 - What is the ground-state electron configuration...Ch. 8.3 - Prob. 2PECh. 8.3 - Prob. 3PECh. 8.3 - Prob. 1RCFCh. 8.3 - Arrange the following species in order of...Ch. 8.3 - Identify the spheres shown here with each of the...Ch. 8.4 - (a) Which of the following atoms should have a...Ch. 8.4 - Arrange the following atoms in order of increasing...
Ch. 8.4 - Label the plots shown here for the first, second,...Ch. 8.5 - Is it likely that Ar will form the anion Ar?Ch. 8.5 - Arrange the following atoms in order of increasing...Ch. 8.5 - Why is it possible to measure the successive...Ch. 8.6 - Classify the following oxides as acidic, basic, or...Ch. 8.6 - Prob. 1RCFCh. 8 - Briefly describe the significance of Mendeleevs...Ch. 8 - What is Moseleys contribution to the modern...Ch. 8 - Describe the general layout of a modern periodic...Ch. 8 - What is the most important relationship among...Ch. 8 - Prob. 8.5QPCh. 8 - Prob. 8.6QPCh. 8 - Prob. 8.7QPCh. 8 - What is a representative element? Give names and...Ch. 8 - Prob. 8.9QPCh. 8 - Prob. 8.10QPCh. 8 - You are given a dark shiny solid and asked to...Ch. 8 - What are valence electrons? For representative...Ch. 8 - Write the outer electron configurations for the...Ch. 8 - Use the first-row transition metals (Sc to Cu) as...Ch. 8 - The electron configurations of ions derived from...Ch. 8 - What do we mean when we say that two ions or an...Ch. 8 - What is wrong with the statement The atoms of...Ch. 8 - Give three examples of first-row transition metal...Ch. 8 - In the periodic table, the element hydrogen is...Ch. 8 - A neutral atom of a certain element has 17...Ch. 8 - Group the following electron configurations in...Ch. 8 - Group the following electron configurations in...Ch. 8 - Without referring to a periodic table, write the...Ch. 8 - Specify the group of the periodic table in which...Ch. 8 - Prob. 8.25QPCh. 8 - A metal ion with a net +3 charge has five...Ch. 8 - Prob. 8.27QPCh. 8 - Write the ground-state electron configurations of...Ch. 8 - Write the ground-state electron configurations of...Ch. 8 - Name the ions with +3 charges that have the...Ch. 8 - Which of the following species are isoelectronic...Ch. 8 - Group the species that are isoelectronic: Be2+, F,...Ch. 8 - Prob. 8.33QPCh. 8 - How does atomic radius change (a) from left to...Ch. 8 - Prob. 8.35QPCh. 8 - Explain why, for isoelectronic ions, the anions...Ch. 8 - Prob. 8.37QPCh. 8 - Arrange the following atoms in order of decreasing...Ch. 8 - Prob. 8.39QPCh. 8 - Which is the smallest atom in Group 7A?Ch. 8 - Why is the radius of the lithium atom considerably...Ch. 8 - Use the second period of the periodic table as an...Ch. 8 - Indicate which one of the two species in each of...Ch. 8 - List the following ions in order of increasing...Ch. 8 - Prob. 8.45QPCh. 8 - Explain which of the following anions is larger,...Ch. 8 - Give the physical states (gas, liquid, or solid)...Ch. 8 - Prob. 8.48QPCh. 8 - Prob. 8.49QPCh. 8 - Sketch the outline of the periodic table and show...Ch. 8 - Arrange the following in order of increasing first...Ch. 8 - Prob. 8.52QPCh. 8 - Prob. 8.53QPCh. 8 - In general, ionization energy increases from left...Ch. 8 - Prob. 8.55QPCh. 8 - Two atoms have the electron configurations...Ch. 8 - Prob. 8.57QPCh. 8 - Plasma is a state of matter consisting of positive...Ch. 8 - Prob. 8.59QPCh. 8 - Prob. 8.60QPCh. 8 - Arrange the elements in each of the following...Ch. 8 - Specify which of the following elements you would...Ch. 8 - Considering their electron affinities, do you...Ch. 8 - Explain why alkali metals have a greater affinity...Ch. 8 - What is meant by the diagonal relationship? Name...Ch. 8 - Prob. 8.66QPCh. 8 - Use the alkali metals and alkaline earth metals as...Ch. 8 - Based on your knowledge of the chemistry of the...Ch. 8 - As a group, the noble gases are very stable...Ch. 8 - Prob. 8.70QPCh. 8 - Prob. 8.71QPCh. 8 - Write balanced equations for the reactions between...Ch. 8 - Write formulas for and name the binary hydrogen...Ch. 8 - Which oxide is more basic, MgO or BaO? Why?Ch. 8 - State whether each of the following properties of...Ch. 8 - With reference to the periodic table, name (a) a...Ch. 8 - Write equations representing the following...Ch. 8 - List all the common ions of representative...Ch. 8 - Write the empirical (or molecular) formulas of...Ch. 8 - Element M is a shiny and highly reactive metal...Ch. 8 - Match each of the elements on the right with its...Ch. 8 - Arrange the following species in isoelectronic...Ch. 8 - Prob. 8.83QPCh. 8 - Which of the following properties show a clear...Ch. 8 - Prob. 8.85QPCh. 8 - Prob. 8.86QPCh. 8 - Prob. 8.88QPCh. 8 - For each pair of elements listed, give three...Ch. 8 - Name the element that forms compounds, under...Ch. 8 - Explain why the first electron affinity of sulfur...Ch. 8 - The H ion and the He atom have two 1s electrons...Ch. 8 - Predict the products of the following oxides with...Ch. 8 - Prob. 8.94QPCh. 8 - Prob. 8.95QPCh. 8 - Prob. 8.96QPCh. 8 - Prob. 8.97QPCh. 8 - The formula for calculating the energies of an...Ch. 8 - Why do noble gases have negative electron affinity...Ch. 8 - The atomic radius of K is 227 pm and that of K+ is...Ch. 8 - The atomic radius of F is 72 pm and that of F is...Ch. 8 - Prob. 8.102QPCh. 8 - Referring to the Chemistry in Action essay...Ch. 8 - Prob. 8.104QPCh. 8 - Prob. 8.105QPCh. 8 - Prob. 8.106QPCh. 8 - Identify the ions whose orbital diagrams for the...Ch. 8 - Prob. 8.108QPCh. 8 - Prob. 8.109QPCh. 8 - Prob. 8.110QPCh. 8 - Explain, in terms of their electron...Ch. 8 - The standard enthalpy of atomization of an element...Ch. 8 - Write the formulas and names of the hydrides of...Ch. 8 - Prob. 8.114QPCh. 8 - Prob. 8.115QPCh. 8 - Prob. 8.116QPCh. 8 - Write a balanced equation for the preparation of...Ch. 8 - Write chemical formulas for oxides of nitrogen...Ch. 8 - Prob. 8.119QPCh. 8 - In general, atomic radius and ionization energy...Ch. 8 - Explain why the electron affinity of nitrogen is...Ch. 8 - Prob. 8.122QPCh. 8 - Write a balanced equation that predicts the...Ch. 8 - Prob. 8.124QPCh. 8 - Prob. 8.125QPCh. 8 - Prob. 8.126QPCh. 8 - Prob. 8.127QPCh. 8 - Predict the atomic number and ground-state...Ch. 8 - Prob. 8.129QPCh. 8 - Prob. 8.130QPCh. 8 - Prob. 8.131QPCh. 8 - Prob. 8.132QPCh. 8 - Prob. 8.133QPCh. 8 - Both Mg2+ and Ca2+ are important biological ions....Ch. 8 - Match each of the elements on the right with its...Ch. 8 - Prob. 8.136QPCh. 8 - On the same graph, plot the effective nuclear...Ch. 8 - One allotropic form of an element X is a colorless...Ch. 8 - Prob. 8.139QPCh. 8 - Prob. 8.140QPCh. 8 - Use your knowledge of thermochemistry to calculate...Ch. 8 - Referring to Table 8.2, explain why the first...Ch. 8 - Prob. 8.143QPCh. 8 - One way to estimate the effective charge (Zeff) of...Ch. 8 - To prevent the formation of oxides, peroxides, and...Ch. 8 - Prob. 8.146QPCh. 8 - Recent theoretical calculations suggest that...Ch. 8 - Prob. 8.148QPCh. 8 - Compare the work function for cesium (206 kJ/mol)...Ch. 8 - Prob. 8.150QPCh. 8 - Prob. 8.151QPCh. 8 - Prob. 8.152QPCh. 8 - Using the following boiling-point data, estimate...Ch. 8 - Prob. 8.154QPCh. 8 - Prob. 8.155QP
Additional Science Textbook Solutions
Find more solutions based on key concepts
Give one example from main group chemistry that illustrates each of the following descriptions: (a) Covalent ne...
General Chemistry: Atoms First
Consider a sample of ideal gas initially in a volume V at temperature T and pressure P. Does the entropy of thi...
General Chemistry: Principles and Modern Applications (11th Edition)
1. What did each of the following scientists contribute to our knowledge of the atom?
a. William Crookes
b. E...
Chemistry For Changing Times (14th Edition)
Give the IUPAC name for each compound.
Organic Chemistry
Determine the number of protons, neutrons, and electrons in the following atoms: a. a hydrogen atom that has a ...
General, Organic, and Biological Chemistry (3rd Edition)
Knowledge Booster
Learn more about
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
- Arrange the following groups of atoms in order of increasing size. a. Rb, Na, Be b. Sr, Se, Ne c. Fe, P, Oarrow_forward4. 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)?arrow_forwardIn your own words, explain the observed trend in ionization energies and determine which group of elements is likely to have this set of ionization energies:IE1=1320 kJ/molIE2=3389 kJ/molIE3=5300 kJ/molIE4=7641 kJ/molIE5=10990 kJ/molIE6=13280 kJ/molIE7=71982 kJ/molarrow_forward
- Give correct detailed Solution with explanation needed. ..don't give Handwritten answerarrow_forwardConsider the following elements – O, F, Na, Mg and Al. -What is the first criterion you would use to determine which the largest atom? Explain why you chose this as the first criterion.-Are there any other criteria you would use to determine the next largest atom?-Arrange the above atoms in ascending order (smallest to largest). Explain your reasoningarrow_forward32. Which of the following elements should have the smallest second ionization energy (IE2)? Provide an explanation for your answer. Br, Kr, Rb, Sr, Yarrow_forward
- om/courses/23502/assignments/1566247?module_item_id%3D4452581 29 Cobalt-59 27 32 24 Potassium - 38 K. +1 18Te 128 54 11 Which Lewis electron-dot diagram is drawn correctly for the atom it represents? Hint: The number of dots around the symbol corresponds to the representative elements' group number. A. .. .. B : Ne : Which sequence of atomic numbers represents elements that have similar chemical properties? 3, 12, 21, 40 H. 9, 16, 33, 50 « Previous Coparrow_forwardA space probe identifies a new element in a sample collected from an asteroid. Successive ionization energies, in attojoules p atom, for the new element are given in the table. Is 16 0.507 1.017 4.108 5.074 6.147 7.903 8.294 To what family of the periodic table does this new element probably belong? O (1A) O 2 (2A) O 13 (3A) O 14 (4A) 15 (5A) 16 (6A) O 17 (7A) O 18 (8A) Question Source: McQuarrie, Rock, And Gallogly 4e - General Chemsitry Publisharrow_forwardArrange the following elements according to the increase in their ionization energies; (Ca, Mg, Be) Ca > Be > Mg A O Вe > Са > Mg .BO Be > Mg > Ca co Са > Mg > Bearrow_forward
- What statement best describes how the periodic table is organized? All elements in a period have the same number of electrons as there are elements in the period. The elements are arranged so that elements in a group all have the same valence subshell and thus have similar properties. All elements in a period can have up to the number of electrons as there are elements in a period. The period number represents the number of the valence shell.arrow_forward15. Order the following elements from smallest to largest. Elements Order a) Ca, Mg, Ba, Be b) Mo, W, Sg, Cr c) Zn, Mn, K, Kr d) Mg, Mg'*, Mg²“, Mg'- e) 02, Ne, Na", F'- f) Ca, Al, Sb, Br g) Al, Al³*, Cl, Ar 16. Order the following elements from smallest to largest ionization energy.arrow_forwardGive correct detailed Solution with explanation needed. Don't give Handwritten answer. Don't copy the answer anywhere....don't use Ai for answering thisarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Lanthanoids and its Position in Periodic Table - D and F Block Elements - Chemistry Class 12; Author: Ekeeda;https://www.youtube.com/watch?v=ZM04kRxm6tY;License: Standard YouTube License, CC-BY