
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Nitrogen 11 is an isotope of nitrogen that has 7 protons and 4 neutrons. What are the

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1306 Student Questions on Atomic Structure
Atomic
number
H.
1
Hydrogen Carbon
N
Atomic
12
14
16
mass
number
Nitrogen
Охудеn
Hydrogen atom
Carbon atom
- Nucleus
The electrons, protons, and
neutrons of these hydrogen
and carbon atoms are shown
in the diagram at left.
Protons
Neutrons
e Electrons
Questions:
1. How many protons, electrons, and neutrons does the hydrogen atom shown here
have?
2. What are the atomic number and the atomic mass number of the hydrogen atom?
3. What are the atomic number and the atomic mass number of the carbon isotope
show?
4. Nitrogen-11 is an isotope of nitrogen that has 7 protons and 4 neutrons. What are
the atomic number and atomic mass number of nitrogen-11?
Answers:
1. Protons =
Electrons =
Neutrons =
2. Atomic number is:
Atomic mass number is:
3. Atomic number is:
Atomic mass number is:
4. Atomic number is:
Atomic mass number is:
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