All of these are compounds except oxygen because a compound is two or more different elements bonded together.
Answer:
C contains one N and three I atoms
The true answer is: It's conserved because the total number of H atoms on each side is 12.
the first two answer is wrong because it's conserved not as mentioned, It's not conserved.
and the last one also wrong because the total number of O atoms are equal at the two sides but not equal 2.
Answer:5.4 g / 13.6 g *100
Explanation:Its is the correct answer
