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.

Answer 1

[AI-generated answer — Bot GPT 3.5]

They have similar reactivity.

Answer 2

are you sure

Answer 3

[AI-generated answer — Bot 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.