Question

An element has 3 electrons, 3 protons and 4 neutrons. What will be its atomic number and

mass number? ​

Answer 1

Answer:

The mass of a proton or neutron is approximately 1 amu. The mass of an electron is minuscule and therefore negligible when calculating the mass of an atom. Therefore, the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons is 7.

Answer 2

Answer:

i hope this answer will help you a lot in chemistry numericals