Directions: Identify the element described in each statement. ___________1. An element with 26 protons and 30 neutrons. ___________2. Has a mass number of 11 and an atomic number of 5. ___________3. Has 117 neutrons and an atomic number of 78.
Directions: Identify the element described in each statement. ___________1. An element with 26 protons and 30 neutrons. ___________2. Has a mass number of 11 and an atomic number of 5. ___________3. Has 117 neutrons and an atomic number of 78.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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ACTIVITY 1
Directions: Identify the element described in each statement.
___________1. An element with 26 protons and 30 neutrons.
___________2. Has a mass number of 11 and an
___________3. Has 117 neutrons and an atomic number of 78.
___________4. Has 69 neutrons and 50 protons.
___________5. Has 125 neutrons and an atomic number of 85.
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