Science, asked by piyushshamkantpatil6, 3 months ago

Identify who am I? A. I have valency zero. I am positioned last in the modern periodic table and first in mendeleeves periodic table

Answers

Answered by SparklingThunder

1

Answer:

Helium have valency zero and is positioned last in the modern periodic table and first in mendeleev's periodic table.

Answered by trisha2117

1

Answer:

Helium

Explanation:

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