which of the following is NOT a compound ?
a.helium gas
b.hydrogen
c.ice
d.iron
Answers
Answered by
1
Answer:
Helium gas from my side
MARK AS BRAINLIST...
Answered by
0
Answer:
b) Hydrogen
Explanation:
Since hydrogen is an element.
Hydrogen gas (H2) is a molecule, but not a compound because it is made of only one element..
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