True or False: When an atom loses or gains electrons, it becomes a charged particle.

When an atom loses one or more electrons, it forms a/an

When an atom loses its electrons, it becomes negatively charged and is called a negative ion.

A helium atom on losing an electron becomes

An atom that loses electrons becomes a positively-charged ion called

An atom that gains electrons becomes a negatively-charged ion called _________

When alpha particle captures and electron, then it becomes a

True or False: An atom that gains one or more electrons to form a negative ion is called a cation.

How will you show that electrons are negatively charged particle ?

True or False: There is a negatively-charged core in the centre of an atom called the nucleus.

The ion formed when hydrogen loses one electron.