Concept explainers
a.
To determine:
The number of electrons and protons in chlorine.
Introduction:
The mass number of the atom is the sum of neutrons and protons in the atom. The
b.
To determine:
The number of electrons and protons in the given element.
Introduction:
The mass number of the atom is the sum of neutrons and protons in the atom. The atomic number of atom is equal to the number of protons. The isotopes are the elements having same atomic number but different mass number.
c.
To determine:
The number of electrons and protons in sulfur.
Introduction:
The mass number of the atom is the sum of neutrons and protons in the atom. The atomic number of atom is equal to the number of protons. The isotopes are the elements having same atomic number but different mass number.
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
MASTERING CHEMISTRY W/PEARSON ETEXT
- Naturally occurring lithium is composed of two isotopes: 7.59 at 6.0151224u and 92.41 at 7.0160041u. Use these data to determine the atomic mass of lithium.arrow_forwardA sulfur atom and a sulfur molecule are not identical. What is the difference?arrow_forwardCopper (Cu) has an atomic number of 29 and a mass number of 64. One copper atom, therefore, has how many protons? a.27 b.29 c.31 d.35arrow_forward
- Copper is composed of two naturally occurring isotopes: Cu-63 with a mass of 62.94amuandCu-65 with a mass of 64.93amu. Look up the atomic mass of copper and determine which of the two isotopes is more abundant. a.Cu-63ismoreabundant.b.Cu-65ismoreabundant.c.Bothisotopesareequallyabundant.arrow_forwardWhat is the maximum number of electrons that can be contained in each of the following? a. A 2p orbital b. A 2p subshell c. The second shellarrow_forwardHow many valence electrons are in each element of problem 28?arrow_forward
- What is the maximum number of electrons that can be contained in each of the following? a. A 3d orbital b. A 3d subshell c. The third shellarrow_forwardAn iron sphere has a radius of 3.4 cm. How many iron atoms are in the sphere? Iron has a density of 7.86g/cm3, and a sphere has a volume of V=(43)r3.arrow_forwardWhat is the mass number of an atom with 60 protons, 60 electrons, and 75 neutrons? a. 120 b. 135 c. 75 d. 195arrow_forward
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoLiving By Chemistry: First Edition TextbookChemistryISBN:9781559539418Author:Angelica StacyPublisher:MAC HIGHERIntroductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning