Circled one please 10 i Total inner -transition elements are 28 ii Total d-block element are 40iii Except hydrigen,all nonmetals - Chemistry - Classification of Elements and Periodicity in Properties

Question

Circled one please
10   i   T o t a l   i n n e r   - t r a n s i
t i o n   e l e m e n t s   a r e   28 i i   T
o t a l   d - b l o c k   e l e m e n t   a r e
  40 i i i   E x c e p t   h y d r i g e n , a l l
  n o n m e t a l s   b e l o n g s   t o   p -
b l o c k   s e r i e s i v   A l l   t h e   m
e m b e r s   o f   t h e   a c t i n i n d e  
s e i r e s   a r e   m a n   m a d e   ( s y n
t h e t i c ) T h e   c o r r e c t   s t a t e m e n t
  a r e : a     i   a n d   i v b  
  i , i i     a n d   i i i c     i i
i   a n d   i v d   a l l

Raveena Sharma · Accepted Answer

The solution is as follows:

1 The correct option is (b) (i),(ii) and (iii)

2 All the members of of the actinides are not man-made Most of them
are man-made