Question

2. AN ELEMENT XIS 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
*​

Answer 1

Answer:

An element Na (sodium) is soft and can be cut with a knife. Because this is very reactive to air and cannot be kept open in air. It reacts vigorously with water.

Explanation:

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