Question

7. Choose the word or phrase from the bracket which correctly completes each of the following statements:
(a)    The elements below sodium in the same group would be expected to have a ______________(lower/higher) electronegaivity 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 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).

Answer 1

Answer:

(a) i. lower; ii. lower

(b)increases

Explanation:

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