An ion with mass number 37 prossesses unit negative charg. If contains 11.1% more neutrons than electrons. Find the symbol of the ion.

An ion with mass number 37 prossesses unit negative charg. If contains

1.	An ion with mass number 37 prossesses unit negative charg. If contains 11.1% more neutrons than electrons. Find the symbol of the ion.
Answer» Solution : Given that, `y =x + 11.1% of x` `= (x + (11.1)/(100)x) = x + 0.111 x` `y = 1.111 x` mass number = 37 number of protons + number of neutrons = 37 `(x - 1) + 1.111 x = 37` `x + 1.111x = 38` `2.111x = 38` `x = (38)/(2.11) = 18.900` `x = 18` (whole number) `:. "ATOMIC number" = x - 1` `= 18 - 1 = 17` Mass number = 37 SYMBOL of the ion `._(17)^(37)Cl^(-)`.