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1. Suppose there is an atom of oxygen, containing eight protons and eight neutrons in the nucleus, and four neutrons added to the nucleus. The resulting atomic weight is about: а. 20 b. 16 с. 18 d. 24 2. Assume the valence electron is removed from a copper atom. The net charge of the atom becomes а. +1 b. О с. -1 d. +4 3. At room temperature, the current in an intrinsic semiconductor is due to а. Holes b. Electrons c. Ions d. Holes and Electrons

1. Suppose there is an atom of oxygen, containing eight protons and eight neutrons in the nucleus, and four neutrons added to the nucleus. The resulting atomic weight is about: а. 20 b. 16 с. 18 d. 24 2. Assume the valence electron is removed from a copper atom. The net charge of the atom becomes а. +1 b. О с. -1 d. +4 3. At room temperature, the current in an intrinsic semiconductor is due to а. Holes b. Electrons c. Ions d. Holes and Electrons

Chemistry
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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1. Suppose there is an atom of oxygen, containing eight protons and eight neutrons in the nucleus, and four neutrons added to the nucleus. The resulting atomic weight is about: а. 20 b. 16 с. 18 d. 24 2. Assume the valence electron is removed from a copper atom. The net charge of the atom becomes а. +1 b. 0 С. -1 d. +4 3. At room temperature, the current in an intrinsic semiconductor is due to a. Holes b. Electrons c. Ions d. Holes and Electrons
Transcribed Image Text:1. Suppose there is an atom of oxygen, containing eight protons and eight neutrons in the nucleus, and four neutrons added to the nucleus. The resulting atomic weight is about: а. 20 b. 16 с. 18 d. 24 2. Assume the valence electron is removed from a copper atom. The net charge of the atom becomes а. +1 b. 0 С. -1 d. +4 3. At room temperature, the current in an intrinsic semiconductor is due to a. Holes b. Electrons c. Ions d. Holes and Electrons
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