Question

Consider the section of the periodic table given below:

Group numbers	IA	IIA	IIIA	IVA	VA	VIA	VIIA	0
	1	2	13	14	15	16	17	18
	Li		D			O	J	Ne
	A	Mg	E	Si		H	K
	B	C		F	G			L

Note: In this table B does not represent boron

C does not represent carbon

F does not represent fluorine

H does not represent hydrogen

K does not represent potassium

You must see the position of the element in the periodic table.

Some elements are given in their own symbol and position in the periodic table, while others are shown with a letter. With reference to the table answer the following:

1. Which is the most electronegative?
2. How many valence electrons are present in G?
3. Write the formula of the compound between B and H.
4. In the compound between F and J, what type of bond will be formed?
5. Draw the electron dot structure for the compound formed between C and K.

Answer 1

1. J is the most electro negative.
2. 5 valence electrons are present in G.
3. B₂H
4. An ionic bond is present between the compounds F and J.
5.