Q. Which is the correct order of electron affinity?

1178 249 Classification of Elements and Periodicity in Properties Report Error

A

$L i > M g > N a$

25%

B

$N a < L i < M g$

21%

C

$L i < N a < M g$

27%

D

$L i > N a > M g$

27%

Solution:

$L i > N a > M g = B e$