There are 42 protons and 53 neutrons in the atom of an element. This element is represented as:
42X95
42X53
53X42
95X42
A
95X42
B
42X95
C
42X53
D
53X42
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Solution
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Generally an element is represented as ZXA where A= mass number and Z= protons number
Given, Z=42 and neutrons number, N=53
Thus, A=Z+N=42+53=95
Thus, the element will be 42X95.
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