An element with mass number 81 contains `31.7%` more neutrons as compared to protons. Assign the atomic symbol.

An element with symbol Cl-having mass number 35 and number of neutron and electron 18. calculate atomic number and number of proton.

The mass number of an element is 23 and it contains 11 electrons. What is the number of protons and neutrons in it ? What is the atomic number of the element ?

If an element M has mass number 24 and atomic number 12, how many neutrons does its atom contain ?

The mass number of an element is 18. It contains 7 electrons. What is the number of protons and neutrons in it ? What is the atomic number of the element ?

An element with symbol Ar having number of proton 18 and number of neutron 22. Calculate the mass number , atomic number and number of electron.

An atom has mass number A and atomic number Z. How many neutrons are present in its nucleus ?

An element with symbol Zn2+ having mass number 64 and atomic number 30. Calculate number of protons , electrons and neutrons.

An element with symbol Fe having mass number 56 and atomic number 26. Calculate the number of proton , neutron and electron.