(a)(i) List three properties of elements which increase generally across a period in the Periodic Table,

(ii) Give two differences between a chemical reaction and a nuclear reaction.

 

(b) Use the information provided in the table below to answer Questions (i) - (vii).

Atom of Element	P	Q	R	S	T
Mass Number	16	40	35	18	20
Atomic Number	8	20	17	8	10

Which of the atoms in the table above:

(i) are isotopes of the same element?;

(ii) contains 18 neutrons?;

(iii) is chemically unreactive?;

(iv) readily forms an ion with two positive charges?

(v) attain an octet structure by accepting one electron?;

(vi) forms ionic bond with R?;

(vii) belongs to the s-block in the Periodic Table?

 

(c) Describe in outline how each of the following conversions can be carried out in the laboratory. Write appropriate equations for the reactions involved in each case

(i) CuCO\(_3\) to Cu

(ii) MgO to MgSO\(_4\).