Concept explainers
(a)
Interpretation:
The number of neutrons in an atom of
Concept introduction:
The
Answer to Problem 21E
The number of neutrons in atom of
Explanation of Solution
The mass number of
The number of neutrons is calculated by the formula shown below.
Substitute the values of mass number and atomic number in the above equation.
Thus, the number of neutrons in atom of
The number of neutrons in an atom of
(b)
Interpretation:
The number of neutrons in an atom of
Concept introduction:
The atomic number of an atom is equal to the number of protons in an atom. Mass number or atomic mass of an atom can be calculated by taking the sum of atomic number and number of neutrons.
Answer to Problem 21E
The number of neutrons in an atom of
Explanation of Solution
The mass number of
The number of neutrons is calculated by the formula shown below.
Substitute the values of mass number and atomic number in the above equation.
Thus, the number of neutrons in atom of
The number of neutrons in an atom of
(c)
Interpretation:
The number of neutrons in an atom of
Concept introduction:
The atomic number of an atom is equal to the number of protons in an atom. Mass number or atomic mass of an atom can be calculated by taking the sum of atomic number and number of neutrons.
Answer to Problem 21E
The number of neutrons in an atom of
Explanation of Solution
The mass number of
The number of neutrons is calculated by the formula shown below.
Substitute the values of mass number and atomic number in the above equation.
Thus, the number of neutrons in atom of
The number of neutrons in an atom of
(d)
Interpretation:
The number of neutrons in an atom of
Concept introduction:
The atomic number of an atom is equal to the number of protons in an atom. Mass number or atomic mass of an atom can be calculated by taking the sum of atomic number and number of neutrons.
Answer to Problem 21E
The number of neutrons in an atom of
Explanation of Solution
The mass number of
The number of neutrons is calculated by the formula shown below.
Substitute the values of mass number and atomic number in the above equation.
Thus, the number of neutrons in an atom of
The number of neutrons in an atom of
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Chapter 4 Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
- Argon has three naturally occurring isotopes: 0.3336% 36Ar, 0.063% 38Ar, and 99.60% 40Ar. Estimate the average atomic mass of argon. If the masses of the isotopes are 35.968 u, 37.963 u, and 39.962 u, respectively, calculate the average atomic mass of natural argon.arrow_forwardDescribe the nuclear model for the atom and identify the numbers of protons, electrons, and neutrons in a particular isotope from its chemical symbol.arrow_forwardIf an atom has 18 electrons, how many protons does it have?arrow_forward
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