Question

(a) Metals are good .................. (oxidising/reducing
agent) because they are electron .................. (acceptor)
donor).
(b) An element with atomic number 19 will most likely
combine chemically with the elements whose atomic
number is :
(1) 17 (ii) 11 (iii) 28 (iv) 20
(c) Rewrite the following sentences by using the correct
symbol > (greater than) or < (less than) in the blanks
given :
(1) The ionization potential of Potassium is
............... that of Sodium.
(ii) The electronegativity of Iodine is ............
that of Chlorine.
(d) Fill in the blanks by selecting the correct word from the
brackets :
(i) If an element has a low ionization energy then
it is likely to be ................ (metallic/non metallic).
(ii) If an element has seven electrons in its outermost
shell then it is likely to have the
(largest/smallest) atomic size among all the
elements in the same period.

Answer 1

Answer:

a) reducing agents, electron donar

b) 11

c) 1) < 2) < 3)

d) 1) metallic 2) largest

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