The following table gives the atomic numbers of elements V, W, X, Y and Z.

Element	V	W	X	Y	Z
Atomic number	11	16	18	19	24

(a)Which of the elements: (i) belong(s) to group 1?

(ii) is/are riotle gas(es)?

(iii) form(s) coloured compound(s)?

(iv) form(s) an anion?

(v) react(s) with water to liberate hydrogen?

(vi) react(s) with water to form alkaline solution?

 

(b) What is the:

(i) charge on the ion formed in

(a)(iv) above?

(ii) group of the element(s) in (a)(i) above?

 

(c)(i) Write the formula of the compound formed between element V and element W.

(ii) Sate the type of bond formed in (c)(i) above. Explain your answer.

(d)(i) What is a covalent compound?

(ii) Give two factors that influence covalent bonding.

(iii) State the type of bond that exists in each of the following substances: MgO, NH\(_3\) and Fe.

(iv) What are intermolecular forces?