What do we call those particles which have more or less electrons than the normal atoms ?

What do we call those particles which have : (a) more electrons than the normal atoms ? (b) less electrons than the normal atoms ?

What do we call the particles which have less electrons than the normal atoms?

What do we call those particles which are formed : (a) by the gain of electrons by atoms ? (b) by the loss of electrons by atoms ?

The particle which is formed by the loss of electrons by an atom is called________

Which of the following particles has more electrons than neutrons

What do we call the atoms of different elements with same number of neutrons.

What do we call the atoms of different elements with same mass number

Fill in the following blanks with suitable words : (a) The particle which is formed by the gain of electrons by an atom is called "……….." . (b) The particle which is formed by the loss of electrons by an atom is called "……….." . (c ) The particles which is formed by the loss or gain of electrons by an atom is called "……….." . (d) A potassium ion has positive charge because it contains less "……….." than "……….." . (e) A sulphide ion has negative charge because it contains less "……….." than "……….." .