Concept explainers
(a)
Interpretation:
The mass number of an atom having 22 protons, 22 electrons and 26 neutrons should be calculated.
Concept Introduction:
Mass number is the sum of number of protons and neutrons in an atom.
Answer to Problem 17P
The mass number of an atom having 22 protons, 22 electrons and 26 neutrons is 48.
Explanation of Solution
Given information:
Mass number can be calculated as follows:
Therefore, the mass number is 48.
(b)
Interpretation:
The mass number of an atom having 76 protons, 76 electrons and 114 neutrons should be calculated.
Concept Introduction:
Mass number is the sum of number of protons and neutrons in an atom.
Answer to Problem 17P
The mass number of an atom having 76 protons, 76 electrons and 114 neutrons is 190.
Explanation of Solution
Given information:
Mass number can be calculated as follows:
Therefore, mass number of the atom is 190.
(c)
Interpretation:
The mass number of an atom having 34 protons, 34 electrons and 45 neutrons should be calculated.
Concept Introduction:
Mass number is the sum of number of protons and neutrons in an atom.
Answer to Problem 17P
The mass number of an atom having 34 protons, 34 electrons and 45 neutrons is 79.
Explanation of Solution
Given information:
Mass number can be calculated as follows:
Therefore, mass number is 79.
(d)
Interpretation:
The mass number of an atom having 94 protons, 94 electrons and 150 neutrons should be calculated.
Concept Introduction:
Mass number is the sum of number of protons and neutrons in an atom.
Answer to Problem 17P
The mass number of an atom having 94 protons, 94 electrons and 150 neutrons is 244.
Explanation of Solution
Given information:
Mass number can be calculated as follows:
Therefore, mass number is 244.
Want to see more full solutions like this?
Chapter 2 Solutions
Introduction To General, Organic, And Biochemistry
- Give the complete symbol(ZAX), including atomic number and mass number, of (a) a nickel atom with 31 neutrons, (b) a plutonium atom with 150 neutrons, and (c) a tungsten atom with 110 neutrons.arrow_forwardOxygen consists of three different _____, each having eight protons but different numbers of neutrons.arrow_forward2-73 (Chemical Connections 2D) Copper is a soft metal. how can it be made harder?arrow_forward
- 2-85 The mass of a proton is 1.67 × 10-24g. The mass of a grain of salt is 1.0 × 10-2g. How many protons would it take to have the same mass as a grain of salt?arrow_forwardDuring nuclear decay a 238U atom can break apart into a helium-4 atom and one other atom. Assuming that no subatomic particles are destroyed during this decay process, what is the other element produced?arrow_forward2.90 Naturally occurring europium has an average atomic weight of 151.964 amu. If the only isotopes of europium present are 151Eu and 153Eu, describe how you would determine the relative abundance of the two isotopes. Include in your description any information that would need to be looked up.arrow_forward
- 2-69 (Chemical Connections 2A) Why does the body need sulfur, calcium, and iron?arrow_forwardThe following table gives the number of protons and neutrons in the nuclei of various atoms. Which atom is the isotope of atom A? Which atom has the same mass number as atom A? Protons Neutrons Atom A 32 39 Atom B 33 38 Atom C 38 50 Atom D 32 38arrow_forward2-103 The element silver has two naturally occurring isotopes: 109Ag and 107Ag with a mass of 106.905 amu. Silver consists of 51.82% 07Ag and has an average atomic mass of 107.868 amu. Calculate the mass of 109Agarrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningGeneral 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 LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning