Interpretation : The mass defect of a chlorine-35 atom is to be calculated.
Concept Introduction : The total masses of the component particles that make up an atom are always greater than the mass of the atom itself. The term "mass defect" refers to the missing mass. The formula of mass defect
Where,
Answer to Problem 79A
The mass defect of a chlorine-35 atom is
Explanation of Solution
Given information:
The actual mass of chlorine-35 atom is
There are 17 protons and 17 electrons in chlorine atom.
The mass of proton is
The mass of electron is
The mass of neutron is
The mass defect indicates the matter that was transformed into energy when the nucleus was created from its component protons and neutrons.
The formula of mass defect is given as:
Where,
To calculate the mass defect of chlorine-35 atom, substitute the values in the above formula:
Chapter 4 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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