Question

Rank the following elements according to their metallic character.

Ge C Si Pb

Answer 1

the rules to be followed are

1) going down a group, there will be increase in metallic character

2) going across a period from left to right , there will be a decrease in metallic character

now

consider the given elements

Ge , C , Si and Pb

looking at the periodic table

we can see that

all these elements belong to the same group

and from the top , they are placed as follows

C

Si

Ge

Pb

now

we know that

going down a group , metallic character increases

so

the order is

more metallic Pb > Ge > Si > C less metallic