Question

An atom contains 2 protons, 2 electrons and 3 neutrons. State it’s atomic number and atomic mass number.​

Answer 1

Answer:

Atom- Helium

Atomic number- 2

Atomic mass- 4.0026

Explanation:

An atom with 2 protons, 2 electrons and 2 neutrons is Helium

Hope I am able to help you

Also the question is slightly wrong as the no. protons and no. of neutrons should be equal so if protons are 2 then neutrons are also 2

Answer 2

Answer:

Helium is the atom containing 2 protons, 2 electrons and 3 neutrons. The atomic number of Helium is 2. The atomic mass of helium is 4.002602

Explanation:

Pls make me Brainleist