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 representsan 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?

(i) the letter d which representsan alkali metal

(ii) the letter c which represents a noble gas


(iii) the letter e which represents a halogen


(iv) The bond formed between a and e is a covalent bond.


(v) The bond formed between d and e is ionic bond.


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