Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2004
Answer
Comment
Share
Q)

Lanthanides are :-


( A ) 14 elements in the sixth period (atomic no. nt 90 to 103) that are filling 4f sublevel
( B ) 14 elements in the seventh period (atomic no. = 58 to 71) that are filling 4f sublevel
( C ) 14 elements in the sixth period (atomic no. 57 to 71) that are filling 4f sublevel
( D ) 14 elements in the seventh period (atomic no. = 90 to 103) that are filling 5f sublevel.

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...