Question
Why are sodium (Na) and potassium (K) in the same group on the periodic table?(1 point)
Responses
They have similar reactivity.
They have similar reactivity.
They are both colorless.
They are both colorless.
They are both hard and brittle.
They are both hard and brittle.
They have similar atomic weights.
They have similar atomic weights.
Responses
They have similar reactivity.
They have similar reactivity.
They are both colorless.
They are both colorless.
They are both hard and brittle.
They are both hard and brittle.
They have similar atomic weights.
They have similar atomic weights.
Answers
GPT-4o mini
The correct response is: **They have similar reactivity.**
Sodium (Na) and potassium (K) are both alkali metals found in Group 1 of the periodic table, and they exhibit similar chemical properties, including high reactivity, particularly with water.
Sodium (Na) and potassium (K) are both alkali metals found in Group 1 of the periodic table, and they exhibit similar chemical properties, including high reactivity, particularly with water.