Concept explainers
For each of the following species, determine the number of protons and the number of neutrons in the nucleus:
Interpretation: The number of protons and the number of neutronsin the various nuclei areto be determined.
Concept introduction:
The number of neutrons in an atom is defined as the difference between the mass number and thenumber of protons.
The atomic number of a neutral atom is equalsto the number of protons present inside the nucleus.
Answer to Problem 22QP
Solution:
For
Number of neutrons
Number of protons
For
Number of neutrons
Number of protons
For
Number of neutrons
Number of protons
For
Number of neutrons
Number of protons
For
Number of neutrons
Number of protons
For
Number of neutrons
Number of protons
For
Number of neutrons
Number of protons
Explanation of Solution
For
From the periodic table, the atomic number of helium is
Thus, the number of protons is equal to the atomic number that is
For
From the periodic table, the atomic number of helium is
Thus, the number of protons is equal to the atomic number that is
For
From the periodic table, the atomic number of magnesium is
Thus, the number of protons is equal to the atomic number that is
For
From the periodic table, the atomic number of magnesiumis
Thus, the number of protons is equal to the atomic number that is
For
From the periodic table, the atomic number of titanium is
Thus, thenumber of protons is equal to the atomic number that is
For
From the periodic table, the atomic number of bromine is
Thus, the number of protons is equal to the atomic number that is
For
From the periodic table, the atomic number of platinum is
Thus, the number of protons is equal to the atomic number that is
Number of protons and number of neutrons of all the given species are calculated as above.
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Chapter 2 Solutions
Chemistry
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