Define atomic number of an element. How is it related to the mass number ?

Define mass number of an element.

Define atomic mass of an element.

Define atomic mass number.

Define mass number of an atom?

Define atomic number and mass number .

What is mass number? How is it related to atomic number?

The atomic number of an element is 5 and mass number is 11. Find the number of electrons, protons and neutrons present in an atom of it. How can this element be represented ?

The atomic number of an element is 4 while its mass under is 9. Find the number of electrons, protons and neutrons present in an atom of it. How should the element be represented?

Define atomic number and mass number of an atom.

Define Atomic Number, Atomic Mass.