Question
                Why are sodium (Na) and potassium (K) in the same group on the periodic table?(1 point)
Responses
They have similar atomic weights.
They have similar atomic weights.
They are both hard and brittle.
They are both hard and brittle.
They have similar reactivity.
They have similar reactivity.
They are both colorless.
            
        Responses
They have similar atomic weights.
They have similar atomic weights.
They are both hard and brittle.
They are both hard and brittle.
They have similar reactivity.
They have similar reactivity.
They are both colorless.
Answers
                    Answer
            
    are you sure
    
                    Answered by
            GPT 3.5
            
    They have similar reactivity.
    
                    Answered by
            GPT 3.5
            
    Apologies for the incorrect response. Sodium (Na) and potassium (K) are in the same group on the periodic table because they have similar reactivity. Both elements belong to Group 1, also known as the alkali metals, which are highly reactive and readily form positive ions.
    
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