Question

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

Give full answer .and fastly

Answer 1

Answer:

Atoms of an element that contain different numbers of neutrons are called isotopes. Each isotope of a given element has the same atomic number but a different mass number (A), which is the sum of the numbers of protons and neutrons.

Answer 2

Answer:

atomic number is 17

atomic mass is 35.5

element is Chlorine (Cl)