<span>An element is a pure substance that cannot be broken down by further chemical techniques. Therefore you could try heating, cooling, electrolysis or other methods to see if it was an element or a compound.</span>
A two carbon chain attached to a benzene ring: ethylbenzene
Answer:
No
Explanation:
Mass never changes unless you actually cut off or add to the object.
<u>Weight</u> changes based on gravity, but mass doesn't
Answer;
Water 1.0 g/mL 100°C colorless liquid
Explanation:
thats the answer
