Chemistry, asked by IiMissCutiell, 1 month ago

Which one of yhe following group of elements are monoatomic ??

1. Sodium and magnesium
2. Hydrogen a d oxygen
3. Chlorine a d bromine
4. Helium and hydrogen

Answers

Answered by supriyasingh672

5

Answer:

4) helium and hydrogen

Explanation:

I hope its help you

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Answered by 20100081130050

1

Answer:

2/hydrogen a d oxygen

Explanation:

make me as b

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