Among the following elements, the number of elements having electronegativity is

Question

Among the following elements, the number of elements having electronegativity  is

Canvas Classes · Accepted Answer

Strategy:
 Identify the Pauling electronegativity values for the given list. Elements with values below 1.0 are the most electropositive metals (heavy alkali and alkaline earth metals).

Step 1: List and check values
- :  (Boundary)
- : All 
- :  (< 1.0)
- :  (< 1.0)
- :  (< 1.0)

There are 3 such elements ().

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