S Block Elements Question 208
Question: Which of the following statement is correct regarding alkali metals
[NCERT 1981]
Options:
A) Cation is less stable than the atom
B) Cation is smaller than the atom
C) Size of cation and atom is the same
D) Cation is greater in size than the atom
Show Answer
Answer:
Correct Answer: B
Solution:
After removal of an electron the effective nuclear charge per electron increases hence the size decreases.
BETA
