Question

Which of the following diagrams

represents a compound? Each color
represents a different element. Circles
that are directly touching represent
elements that are chemically combined.

Answer 1

Answer: the first one

Explanation: since the red and blue are touching, they are combined, in other words, a compound.

Answer 2

Its the top diagram. Each color represents a different element, and those elements are touching, like a compound would, and “circles that are directly touching represent elements that are chemically combined.” Therefore, it’s a compound. :)