Question

The necleus of an atom of an element contains 17 protons and 18 newtons .
Calculate the atomic no. And mass no. Of an element and represent them along with symbols

Answer 1

Answer:

atomic number = 17

mass number =35

$\frac{35}{17} \: cl$

Answer 2

17 because atomic no.is no. of proton or neutrons and 35 because atomic mass = sum of proton and neutrons