Question

An element has 18 neutrons and 17 protons in it.find out its atomic number and atomic mass number?

Answer 1

Hey . here's your answers .

the mass no. will be 35 and

atomic no. is 17

Answer 2

Answer:

Given:- In an element there is 18 neutrons and 17 protons.

∵ Atomic number of any element = Number of protons in it.

⇒ Atomic number = 17

∵ Atomic mass of any element = Sum of number of neutrons + protons

⇒ Atomic mass = 18 + 17

                          = 35u

hope it will help you.