Question

Which of the following is correct order of arrangement of the first five lanthanides according to their atomic number O La, Ce, Pr, Nd, Pm O , La, Pr, Ce, Pm, Nd O La, Pr, Ce, Nd, Pm O La, Ce, Pr, Pm, Nd
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Answer 1

Answer:

the process by which green plants and some

other organisms use sunlight to synthesize

nutrients from carbon dioxide and water.

Photosynthesis in plants generally involves

the green pigment chlorophyll and generates

oxygen as a by-product.

Answer 2

Answer:

$\huge\fbox \red{ANS} {\colorbox{crimson}{W}}\fbox\red{ER}$

Explanation:

❖la3+ > Ce3+ > Pr3+ > Nd3+ > Pm3+ > Sm3+ > Eu3+ > Gd3+ > Tb3+ > Dy3+ > Ho3+ > Er3+ > Tm3+ > Yb3+ > Lu3+.

Hope it's helpful↑(◍•ᴗ•◍)❤࿐