Use the relative positions of the elements shown to identify the letter (P, Q, R, S, or T) that represents:

(i) an alkali metal

(ii) a transition metal

(iii) a halogen

(iv) a noble gas

Select the correct answer for each statement:

(i) In the modern Periodic Table, elements are arranged in order of increasing:

• A relative isotopic mass
• B mass number
• C atomic (proton) number
• D relative atomic mass

(ii) Elements that belong to the same group of the Periodic Table have:

• A the same number of full electron shells
• B the same number of electrons in their outermost shell
• C the same physical state at room temperature
• D the same total number of electrons