The metals in groups 1a, 2a, and 3a
a) all have ions with a 1+ charge c. all form ions with a negative charge
b. gain electrons when they form ions d. lose electrons when they form ions

All of these metals from cations, so they lost electrons when forming ions. The answer is D.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later