Question

Which of the following metals cannot be cut with knife a) sodium b) lithium c) potassium d) silver​

Answer 1

Answer: Silver cannot be cut with a knife

Explanation: Since silver is a hard metal.

Answer 2

The answer is option d) silver.

It is not possible to cut silver with a knife.

Soft metals

• The first group of metals in the periodic table are soft metals, also known as alkali metals.
• They are highly reactive, soft metals having a lower density than any other metal present in the periodic table.
• Therefore, they can be cut with a knife.

Hard metals

• Hard metals are those that have a higher density than alkali metals. Due to their higher density, it is not possible to cut them with a knife.
• Silver is a hard metal. Hence, it is the correct answer.