(a) The position of three elements x, y, z in the periodic table are shown below

Group 1 Group 2

___ _

X _

_ ___

Y Z

(i) Which type of ion, cation or anton, will be formed by element X?
(ii) Which element 'Y' or 'X', has the atom of comparatively larger size?
(iii) Which element 'X' or 'Z' is more reactive?

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Solution

Dear student,
Q19 (a) iii X will be more reactive compared to Z because X is in group I it has to lose one electron to form a cation while element Z being in group II of periodic table has to loose two electrons to form a cation so it is less reactive than X.
Regards!

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Group 1	Group 2
_____	_____
X	_____
_____	_____
Y	Z

Dear student, Q19 (a) iii X will be more reactive compared to Z because X is in group I it has to lose one electron to form a cation while element Z being in group II of periodic table has to loose two electrons to form a cation so it is less reactive than X. Regards!

Dear student,
Q19 (a) iii X will be more reactive compared to Z because X is in group I it has to lose one electron to form a cation while element Z being in group II of periodic table has to loose two electrons to form a cation so it is less reactive than X.
Regards!