Question

Consider the section of the periodic table given below :

Group numbers	IA	IIA	IIIA	IVA	VA	VIA	VIIA	O
	1	2	13	14	15	16	17	18
	Li		D			O	J	Ne
	A	Mg	E	Si		H	K
	B	C		F	G			L

With reference to the table, answer the following :
(i) Which is the most electro negative ?
(ii) How many valence electrons are present in G ?
(iii) Write the formula of the compound between B and H ?
(iv) In the compound between F and J, what type of bond will be formed ?
(v) Draw the electron dot structure for  the compound formed between C and K.

Answer 1

(i) K is the most electro negative.
(ii) 5 valence electrons are present in G.
(iii) B₂H
(iv) Ionic
(v)