Question

Which is a property of potassium (K)?

A. It is dull and brittle.
B. It is extremely reactive.
C. It is not reactive.
D. It is white and hard.

Answer 1

Answer: Properties, occurrence, and uses. Potassium metal is soft and white with a silvery lustre, has a low melting point, and is a good conductor of heat and electricity. Potassium imparts a lavender colour to a flame, and its vapour is green.

Explanation: hope it helps

Answer 2

B: It is extremely reactive

Step-by-step explanation:

Potassium metal is also soft and white with a silvery lustre, has a low melting point, and is a good conductor of heat and electricity.