The s-Block Ele...

Rare-earth elements are exhibited by

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

Which of the following elements would lose an electron easily? 

In the following ions:
$$Mn^{3+}$$, $$V^{3+}$$, $$Cr^{3+}$$, $$Ti^{3+}$$
(Atomic no. : $$Mn = 25$$, $$V = 23$$, $$Cr = 24$$, $$Ti = 22$$)
Which ion has the highest number of unpaired electrons?

Which of the following is the outermost shell for elements of period 2?

The alkali metals are low melting. Which of the following alkali metals is expected to melt if the room temperature rises to $$30^o$$?

Which of the following metal has lowest melting point?

$$Ca^{2+} $$ is isoelectronic with 

The properties of lithium are similar to those of Mg.
This is because 

Magnesium cation has polarising power close to that of: