" The atomic number of an clement "X" is "19." the number of electron in its ion "X^(+)" will be "

The atomic number of an element X is 19. The number of electrons in its ion X^(+) will be

The atomic number of an element Y is 17. The number of electrons in its ion Y^(-) will be:

The atomic number of an element E is 16. The number of electrons in its ion E^(2-) will be :

The atomic number of an element 'X' is 16.The no. of electrons in its ion E^(2-) will be

The atomic number of an element X is 3. What will be the number of electrons in its ions X^(3+) ?

The atomic number of an element 'X' is 13.What will be the number of electrons in its ion X^(3+)

The atomic number of an element is 13. What will be the number of electrons in its ion X3+

The atomic number of an element is 16. Predict the number of valence electrons in its atom

If the number of protons in one atom of an element Y is 20, then the number of electrons in its ion Y^(2+) will be: