Question

Why are sodiumĀ (Na) and potassiumĀ (K) in the same group on the periodic table?(1 point)
Responses

They are both colorless.
They are both colorless.

They have similar reactivity.
They have similar reactivity.

They have similar atomic weights.
They have similar atomic weights.

They are both hard and brittle.
They are both hard and brittle.

Answers

GPT-4o mini
They have similar reactivity.