Science, asked by Dumeshpatel9, 10 months ago

The position of which of the following elements is not fixed in the periodic elements

(a) Sodium (b) Chlorine

(c) Helium (d) Hydrogen

Answers

Answered by aditichakraborty35

1

Answer:

sodium

Explanation:

sodium is not fixed in the periodic element

Answered by ss2138796

0

Answer:

Correct answer is hydrogen

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