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**PLEASE HELP** Why are sodium (Na) and potassium (K) in the same group on the periodic table? A) They are both hard and brittle. B) They have similar reactivity. C) They are both colorless. D) They have
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**PLEASE HELP** Why are sodium (Na) and potassium (K) in the same group on the periodic table?

A) They are both hard and brittle.

B) They have similar reactivity.

C) They are both colorless.

D) They have similar atomic weights.​

User Josephting
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2 Answers

3 votes
I believe the answer is B :)
User Repeatdomiau
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2 votes

Answer: B

Step-by-step explanation:

User Chickie
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