Question

which is the correct order of atomic sizes (At. No: Ce=58, Sn=50, Yb=70 and Lu=71 )
PLEASE EXPLAIN

Answer 1

Answer:

the atomic size order is as:-

Sn(50)<Yb(70)<Lu(71)<Ce(58)

Explanation:

as, the atomic size gradually decreases from left to right and increase from top to bottom