An ion with mass number 56 contains 3 units of positive charge and 30.4% more neutrons than electrons. Assign the symbol for the ion.

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : What could element E be

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (c) Write the electronic configuration of the element E.

The ion of an element has 3 positive charges. The mass number of atom of this element is 27 and the number of neutrons is 14. What is the number of electrons in the ion ?

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (b) What is its mass number ?

Find the number of proton & electron in Al3+ ion ?

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

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 ?

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