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The number of electrons, protons and neutrons in a species are equal to 18,17 and 20 respectively. The proper symbol to the species is
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a
Cl1735
b
Cl - 1735
c
Cl - 1737
d
Cl -2 1737
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Correct option is C
Given, Z=17 and A=n+p=20+17=37 ; That represents "Cl"But the no. of electrons = 18(>Z)Hence It is anion and charge = 18-17=1∴The symbol is Cl - 1737
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