Why are sodium (Na) and potassium (K) in the same group on the periodic table?(1 point) A. They have similar reactivity. B. They have similar atomic weights. C. They are both hard and brittle. D. They

Why are sodium (Na) and potassium (K) in the same group on the periodic table?(1 point)

A. They have similar reactivity.
B. They have similar atomic weights.
C. They are both hard and brittle.
D. They are both colorless.

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Why are sodium (Na) and potassium (K) in the same group on the periodic table?(1 point) A. They have similar reactivity. B. They have similar atomic weights. C. They are both ha…

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