A two carbon chain attached to a benzene ring: ethylbenzene
<span>This question is simple, answers are D and C respectively</span>
Answer:
i think the answer is helium (top right in periodic table)
Answer:
Le Chatelier's principle, also called Chatelier's principle or "The Equilibrium Law", is a principle of chemistry used to predict the effect of a change in conditions on chemical equilibria.
hope it helps ,pls mark me as brainliest
