Question

The Lanthanides are placed in the periodic table at
a) Left hand side
b) Right hand side
c) Middle
d) Bottom​

Answer 1

Answer:

d)bottom

Explanation:

lanthanides are placed at the bottom of periodic table.

Answer 2

Answer:

C) Bottom

The two rows that are generally placed underneath the main Periodic Table are called the lanthanide series and the actinide series.

These two rows are produced when electrons are being added to f orbitals.