The following diagram shows a part of the periodic table containing first three periods in which five elements have been represented by the letters a, b, c, d and e (which are not their chemical symbols): (i) Select the letter which represents an alkali metal. (ii) Select the letter which represents a noble gas. (iii) Select the letter which represents a halogen. (iv) What type of bond is formed between a and e? (v) What type of bond is formed between d and e ? Lakhmir Singh Chemistry Class 10

The following diagram shows a part of the periodic table containing fi

1.	The following diagram shows a part of the periodic table containing first three periods in which five elements have been represented by the letters a, b, c, d and e (which are not their chemical symbols): (i) Select the letter which represents an alkali metal. (ii) Select the letter which represents a noble gas. (iii) Select the letter which represents a halogen. (iv) What type of bond is formed between a and e? (v) What type of bond is formed between d and e ? Lakhmir Singh Chemistry Class 10
Answer» KALI metal is LITHIUM here li represents alkali group2. d3.e4 covalent 5. covalent.