Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN: 9781938168390
Author: Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher: OpenStax
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Textbook Question
Chapter 2, Problem 15E
Open the Build an Atom simulation (http://openstaxcollege.org/l/16PhetAtomBld)
- Drag protons, neutrons, and electrons onto the atom template to make a neutral atom of Lithium-6 and give the isotope symbol for this atom.
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Open the Build an Atom simulation (http://openstaxcollege.org/l/16PhetAtomBld)(a) Drag protons, neutrons, and electrons onto the atom template to make a neutral atom of Lithium-6 and give the isotope symbol for this atom.(b) Now remove one electron to make an ion and give the symbol for the ion you have created.
Open the Build an Atom simulation (http://openstaxcollege.org/l/16PhetAtomBld) and click on theAtom icon.(a) Pick any one of the first 10 elements that you would like to build and state its symbol.(b) Drag protons, neutrons, and electrons onto the atom template to make an atom of your element. State the numbers of protons, neutrons, and electrons in your atom, as well as the net charge and mass number.(c) Click on “Net Charge” and “Mass Number,” check your answers to (b), and correct, if needed.(d) Predict whether your atom will be stable or unstable. State your reasoning.(e) Check the “Stable/Unstable” box. Was your answer to (d) correct? If not, first predict what you can do to make a stable atom of your element, and then do it and see if it works. Explain your reasoning.
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By the end of this module you will be able to:
•
Module 2
Atomic Structure and Nomenclature
.
Module 2 - Objectives
Define the terms associated with subatomic particles:
Proton
Electron
Neutron
Nucleon
Charge
Explain how to determine the number of subatomic particles in each
element.
Explain how to determine if an element is a metal, non-metal, transition
metal or metalloid given a periodic table.
Explain the differences between groups on the periodic table including
chemical and physical properties.
Module
Describe elements on the periodic table giving their name, atomic number,
and atomic mass unit (amu).
Describe the likely ionic charge of elements given a periodic table.
Explain what makes isotopes different and what makes them the same.
Explain how to name each of the following compounds:
Ionic
Covalent
Polyatomic Ion
Acids of each type
• Write chemical compound name given its formula.
Write chemical formula given its name.
57
Chapter 2 Solutions
Chemistry by OpenStax (2015-05-04)
Ch. 2 - In the following drawing, the green spheres...Ch. 2 - Which postulate of Dalton’s theory is consistent...Ch. 2 - Identify the postulate of Dalton’s theory that is...Ch. 2 - Samples of compound X, Y, and Z are analyzed, with...Ch. 2 - The existence of isotopes violates one of the...Ch. 2 - How are electrons and protons similar? How are...Ch. 2 - How are protons and neutrons similar? How are they...Ch. 2 - Predict and test the behavior of a particles fired...Ch. 2 - Predict and test the behavior of a particles fired...Ch. 2 - In what way are isotopes of a given element always...
Ch. 2 - Write the symbol for each of the following ions:...Ch. 2 - Write the symbol for each of the following ions:...Ch. 2 - Open the Build an Atom simulation...Ch. 2 - Open the Build an Atom simulation...Ch. 2 - Open the Build an Atom simulation...Ch. 2 - Determine the number of protons, neutrons, and...Ch. 2 - The following are properties of isotopes of two...Ch. 2 - Give the number of protons, electrons, and...Ch. 2 - Give the number of protons, electrons, and...Ch. 2 - Click on the site...Ch. 2 - Click on the site...Ch. 2 - An element has the following natural abundances...Ch. 2 - Average atomic masses listed by JUPAC are based on...Ch. 2 - Variations in average atomic mass may be observed...Ch. 2 - The average atomic masses of some elements may...Ch. 2 - The 18O:16O abundance ratio in some meteorites is...Ch. 2 - Explain why the symbol for an atom of the element...Ch. 2 - Explain why the symbol for the element sulfur and...Ch. 2 - Write the molecular and empirical formulas of the...Ch. 2 - Write the molecular and empirical formulas of the...Ch. 2 - Determine the empirical formulas for the following...Ch. 2 - Determine the empirical formulas for the following...Ch. 2 - Write the empirical formulas for the following...Ch. 2 - Open the Build a Molecule simulation...Ch. 2 - Open the Build a Molecule simulation...Ch. 2 - Open the Build a Molecule simulation...Ch. 2 - Using the periodic table, classify each of the...Ch. 2 - Using the periodic table, classify each of the...Ch. 2 - Using the periodic table, Identify the lightest...Ch. 2 - Using the periodic table, Identify the heaviest...Ch. 2 - Use the periodic table to give the name and symbol...Ch. 2 - Use the periodic table to give the name and symbol...Ch. 2 - Write a symbol for each of the following neutral...Ch. 2 - Write a symbol for each of the following neutral...Ch. 2 - Using the periodic table, predict whether the...Ch. 2 - Using the periodic table, predict whether the...Ch. 2 - For each of the following compounds, state whether...Ch. 2 - For each of the following compounds, state whether...Ch. 2 - For each of the following pairs of ions, write the...Ch. 2 - For each of the following pairs of ions, write the...Ch. 2 - Name the following compounds: CsCl BaO K2S BeCl2...Ch. 2 - Name the following compounds: NaF Rb2O BCl3 H2Se...Ch. 2 - Write the formulas of the following compounds:...Ch. 2 - Write the formulas of the following compounds:...Ch. 2 - Write the formulas of the following compounds:...Ch. 2 - Write the formulas of the following compounds:...Ch. 2 - Each of the following compounds contains a metal...Ch. 2 - Each of the following compounds contains a metal...Ch. 2 - The following ionic compounds are found in common...Ch. 2 - The following ionic compounds are found in common...Ch. 2 - What are the IUPAC names of the following...
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- Click on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the Mix Isotopes tab, hide the Percent Composition and Average Atomic Mass boxes, and then select the element boron. Write the symbols of the isotopes of boron that are shown as naturally occurring in significant amounts. Predict the relative amounts (percentages) of these boron isotopes found in nature. Explain the reasoning behind your choice. Add isotopes to the black box to make a mixture that matches your prediction in (b). You may drag isotopes from their bins or click on More and then move the sliders to the appropriate amounts. Reveal the Percent Composition and Average Atomic Mass boxes. How well does your mixture match with your prediction? If necessary, adjust the isotope amounts to match your prediction. Select Nature’s mix of isotopes and compare it to your prediction. How well does your prediction compare with the naturally occurring mixture? Explain. If necessary, adjust your amounts to make them match Nature’s amounts as closely as possible. 21. Repeat Exercise 2.20 using an element that has three naturally occurring isotopes.arrow_forwardClick on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the Mix Isotopes tab, hide the Percent Composition and Average Atomic Mass boxes, and then select the element boron. Write the symbols of the isotopes of boron that are shown as naturally occurring in significant amounts. Predict the relative amounts (percentages) of these boron isotopes found in nature. Explain the reasoning behind your choice. Add isotopes to the black box to make a mixture that matches your prediction in (b). You may drag isotopes from their bins or click on More and then move the sliders to the appropriate amounts. Reveal the Percent Composition and Average Atomic Mass boxes. How well does your mixture match with your prediction? If necessary, adjust the isotope amounts to match your prediction. Select Nature’s mix of isotopes and compare it to your prediction. How well does your prediction compare with the naturally occurring mixture? Explain. If necessary, adjust your amounts to make them match Nature’s amounts as closely as possible.arrow_forwardGive the complete symbol (XZA), including atomic number and mass number, of (a) a nickel atom with 31 neutrons, and (b) a tungsten atom with 110 neutrons.arrow_forward
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