(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
Chemistry: Principles and Reactions
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- In a hypothetical universe, an oil-drop experiment gave the following measurements of charges on oil drops: 5.55 1019 C, 9.25 1019 C, 1.11 1018 C, and 1.48 1018 C. Assume that the smallest difference in charge equals the unit of negative charge in this universe. What is the value of this unit of charge? How many units of excess negative charge are there on each oil drop?arrow_forwardA hypothetical element X is found to have an atomic weight of 37.45 amu. Element X has only two isotopes, X-37 and X-38. The X-37 isotope has a fractional abundance of 0.7721 and an isotopic mass of 37.24. What is the isotopic mass of the other isotope?arrow_forward2.88 Describe how you can identify the isotope, X, in this puzzle. The nucleus contains one more neutron than proton, and the mass number is nine times larger than the charge on the ion X3+.arrow_forward
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