Chemistry, asked by hindbangels, 5 days ago

selina concise revised chemistry middle class 6 solution chapter 1 Introduction to chemistry who discover atomic theory and helium

Answers

Answered by Amkih

2

Answer:

scientists

Explanation:

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Answered by sumitrajana35

1

Answer:

Ans=Atomic theory was discovered by John Dalton

Helium was discovered by William Ramsay

Explanation:

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