All the elements in a group having the same number of valence electrons and hence have a similar outer electronic configuration.
Hence, the correct option is B
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Similar Questions
Q1
Assertion :Elements belonging to the same group have similar chemical properties. Reason: Elements of a group have same number of valence electrons.
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Q2
Will different elements with same valence electrons have same Chemical properties? Why?
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Q3
Assertion: Elements with the same chemical properties are kept in the same group.
Reason: Elements in a group have the same number of electrons in the outermost shell hence they have similar chemical properties.
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Q4
Elements of the same group have similar valance shell electronic configuration. Hence they exhibit similar chemical properties. But elements of the same period have different valencies.
Comment on the above statement.
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Q5
Which of the following element have the same chemical properties as an element having electronic configuration 2, 8, 5?