Question

Question #180fb

Answer 1

i) is E
ii) is C
iii) is A

Explanation:

The periodic table consists of different groups and periods. Elements that are in the same groups have similar properties.
To answer this question, you can look up the periodic table and see where the different letters are placed.

Take for example this one:

Now you can see that
i) is E
ii) is C
iii) is A

The periodic table is far from an ordinary table. It contains much information about the elements and how they might react to environments, about the orbitals, etc etc! Very cool!