A neutral atom has 12 electrons and 13 neutrons. What is its mass number?

Q. Find the no. of neutrons in an atom if its mass no. is 27 and has 13 electrons in neutral state.

Q. An atom of an element contains $13$ electrons. Its nucleus has $14$ neutrons. Find out its atomic number and approximate atomic mass. An isotope has atomic mass $2$ units higher. What will be the number of protons, neutrons and electrons in the isotope?

Q. A neutral atom has an atomic mass of 12 and has 6 neutrons. Find how many electrons, protons and shells are present in this atom.

Q.

The value of A for a neutral atom is 25 and Z is 12; find the number of protons, neutrons and electrons in the atom.