We are asked to select what is shown on the picture.
Circles and triangles are pretty evenly distributed throughout the sample.
Let a triangle represent atoms of element A and a circle represent atoms of element B. Select what is shown on each of the pictures
A) a homogenous mixture of elements A and B
B) the compound AB in a liquid state (molecules close together)
C) the compound AB after it has undergone a physical change (such as evaporation)
D) the compound after it has undergone a chemical change (such as decomposition of AB into A and B)
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