Concept explainers
Interpretation:
The number of neutrons, protons and electron in
Concept introduction:
Atom is the smallest unit of a matter. It is indestructible and cannot be created. It consists of protons, neutrons and electron as subatomic particles.
Answer to Problem 7STP
Correct answer: Option (b) 74 neutrons, 52 protons and 52 electrons.
Explanation of Solution
Reason for correct option:
Tellurium is a chemical element whose
Reasons for incorrect options:
Option (a), 126 neutrons, 52 protons and 52 electrons. Number of neutrons is not equal to mass number. Thus, this is an incorrect answer.
Option (c) 52 neutrons, 74 protons and 74 electrons. Number of neutrons is not equal to atomic number, and number of protons and number of neutrons cannot be equal to mass number of the isotope minus atomic number.
Option (d) 52 neutrons, 126 protons and 126 electrons. Number of neutrons is not equal to atomic number, and number of protons and number of neutrons cannot be equal to mass number of the isotope.
Chapter 4 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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