An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following:
Na is one of the metals that can be cut with a knife. It is highly reactive to air and water.

Question

An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following:

Philoid · Accepted Answer

Na is one of the metals that can be cut with a knife. It is highly reactive to air and water.