Concept explainers
(a)
Interpretation:
The number of protons, neutrons, and electrons in a neutral atom of
Concept introduction:
The expression of isotope is given by:
Where, X = element, A = mass number and Z =
The atomic number is equal to the number of protons of an element whereas sum of number of protons and number of neutrons is equal to mass number.
For neutral atom, number of protons is equal to the number of electrons.
(b)
Interpretation:
The number of protons, neutrons, and electrons in a neutral atom of
Concept introduction:
The expression of isotope is given by:
Where, X = element, A = mass number and Z = atomic number
The atomic number is equal to the number of protons of an element whereas sum of number of protons and number of neutrons is equal to mass number.
For neutral atom, number of protons is equal to the number of electrons.
(c)
Interpretation:
The number of protons, neutrons, and electrons in a neutral atom of
Concept introduction:
The expression of isotope is given by:
Where, X = element, A = mass number and Z = atomic number
The atomic number is equal to the number of protons of an element whereas sum of number of protons and number of neutrons is equal to mass number.
For neutral atom, number of protons is equal to the number of electrons.

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Chapter 2 Solutions
EBK CHEMISTRY: PRINCIPLES AND REACTIONS
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