Q.

All of the group-I elements have ns1 valence shell electronic configuration and the properties of an element have

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a

periodic dependence upon its atomic mass

b

periodic dependence upon its atomic number

c

periodic dependence upon its atomic radius

d

None of the above

answer is B.

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Detailed Solution

Group-l elements all have ns1 valence shell electronic configuration and the properties of an element have periodic dependence upon its atomic number.
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