An atom $Y$ contains ten electrons and ten neutrons. State the number of protons it contains and its mass number.

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. An atom contains eleven protons. State its atomic number and the number of electrons it contains.

Q. An atom 'X' has a mass number of 12 and contains 6 electrons. State the atomic number of 'X' and the number of neutrons it contains.

Q.

If an atom of an element contains 17 electrons and 18 neutrons, find the number of protons, atomic number and mass number of the element.