F block elements nte group number engane aanu kaanuka??
F block elements are part of 6,7 th group. But because of their different properties from other elements in this group, it is placed separately.
F block elements 6, 7 periods lane varika. Pakshe different swabavam kanikunna karanamane pratheka block aayi koduthirikunnath. So ath eth gplm peduthan patilla