Question

An element X is soft and can be cut with the help of a knife. It is very reactive to air and cannot be kept open in the air. It reacts vigorously with water. Identify the element from the following
(a) Mg
(b) Na
(c) P
(d) Ca
please answer fast​

Answer 1

Answer:

option b

Explanation:

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Answer 2

Answer:

b)Na(sodium) this is your answer