Pregunta 24

A student treats the detached actinide line as an eighth row. Which placement fixes this groups-and-periods error?

It belongs within period 7.Respuesta correcta
It belongs within period 6.
It forms period 8.
It has no period assignment.

Explicación

The actinides are part of period 7, although they are commonly printed beneath the main table. Assigning them to an eighth period mistakes page layout for the table's actual structure.

Explicación

Continúa con este test