S Block Elements Question 146

Question: With the increase in atomic weights, melting points of the alkali metals

[MP PMT 1995]

Options:

A) Increase

B) Decrease

C) Remain constant

D) Do not show definite trend

Show Answer

Answer:

Correct Answer: B

Solution:

Element - Li Na K Rb Cs
M.pt in K - 4535 370.8 336.2 312 301.5