1.

Choose the word or phrase from the brackets which correctly completes each of the following statements:- (a) The element below sodium in the same group would be expected to have a ........... (lower/higher) electro-negativity than sodium and the element above chlorine would be expected to have a ............. (lower/higher) ionization potential than chlorine. (b) On moving from left to right in a given period, the number of shells ...... (remains the same/ increases decreases). (c) On moving down a group, the number of valence electrons ....... (remains the same/increases/decreases). (d) Metals are good ............. (oxidising agent/ reducing agent) because they are electron.......... (acceptors/donors).

Answer»

Choose the word or phrase from the brackets which correctly completes each of the following statements:-

(a) The element below sodium in the same group would be expected to have a ........... (lower/higher) electro-negativity than sodium and the element above chlorine would be expected to have a ............. (lower/higher) ionization potential than chlorine.

(b) On moving from left to right in a given period, the number of shells ...... (remains the same/ increases decreases).

(c) On moving down a group, the number of valence electrons ....... (remains the same/increases/decreases).

(d) Metals are good ............. (oxidising agent/ reducing agent) because they are electron.......... (acceptors/donors).


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