An element X2- has 16 electrons and 16 protons and 15 neutrons . Calculate the atomic mass and atomic number

An element X2- has 16 electrons and 16 protons and 15 neutrons . Calcu

1.	An element X2- has 16 electrons and 16 protons and 15 neutrons . Calculate the atomic mass and atomic number
Answer» Atomic mass of the ELEMENT is 31 (protons+neutrons) while atomic NUMBER is 16(no. of protons/electrons)