Question

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Answer 1

Answer:

no. of protons = x

no. of neutrons = x + 16.6x/100

mass number = protons + neutrons

$x + x + \frac{16.6x}{100} = 52$

$2x + \frac{166}{1000} = 52$

taking lcm

$2000x + 166x = 52000$

$2166x = 52000$

$x = \frac{52000}{2166}$

$x = 24.007$

round of x = 24

Therefore the atomic number of the element is 24 which is chromium