Chemistry
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).
Periodic Table
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Answer
(a) lower, higher.
(b) remains the same.
(c) remains the same.
(d) reducing agent, donors.
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