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How are sodium (Na) and potassium (K) similar? O A. They are hard metals. B. They are highly reactive. C. They are soft nonmetals. D. They rarely react.
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How are sodium (Na) and potassium (K) similar?

O A. They are hard metals.
B. They are highly reactive.
C. They are soft nonmetals.
D. They rarely react.

User Dan Yeaw
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B Highly reactive// Both components react to combustion with flares or gasoues product
User Yooz
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