The atomic number of sodium is 11. What is the number of electrons in Na+?

5 What do we call those particles which have more electrons than the normal atoms ? 5 What do we call those particles which have less electrons than the normal atoms? 6 The atomic number of chlorine is 17. What is the number of electrons in CI-? 7 The atomic number of an element X is 8 and that of element Y is 12. Write downthe symbols of the ions you would expect to be formed from their atoms.