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Science TNSB Mentoring
Class 9
Periodic classification of elements
Applications of the modern periodic table
7.
Classification of elements based on the electronic configuration
Question:
2
m.
Statement
:
Elements in a group usually have the same properties, but elements along a period have different properties.
Reason
:
The variation in electronic configuration makes the element differ in their chemical properties along a period.
Statement is true and the reason explains the statement.
Statement is false but the reason is correct.
Both statement and reason is correct
Both statement and reason is incorrect
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