State whether the following statement is true or false.

"Sodium can be cut by knife and thus, it is a metalloid."

True

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False

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Solution

The correct option is B
False

The first three alkali metals are so soft that they can be cut by knife and sodium is one of them.

However, sodium does show other properties of metals such as electropositivity, lustre, malleability, metallic bonding and it forms a basic oxide.

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