In the diagrams below, circles of different colours are used to represent atoms of different elements - Junior Cycle Science - Question 6 - 2019
Question 6
In the diagrams below, circles of different colours are used to represent atoms of different elements.
Complete the table below for the substances shown in diagrams... show full transcript
Worked Solution & Example Answer:In the diagrams below, circles of different colours are used to represent atoms of different elements - Junior Cycle Science - Question 6 - 2019
Step 1
B: State whether the diagram represents a solid, liquid or gas.
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Answer
The diagram B represents a gas. This is evident from the dispersed arrangement of the small circles, indicating the high energy and distance between the particles characteristic of a gaseous state.
Step 2
B: Also state whether the diagram represents an element, compound or mixture.
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Answer
Diagram B represents a compound. The colors of the circles suggest a fixed ratio of atoms which indicates a chemical combination of different elements.
Step 3
C: State whether the diagram represents a solid, liquid or gas.
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Answer
Diagram C represents a liquid. The arrangement of the circles shows that they are closer together than in a gas, yet not so tightly packed as in a solid.
Step 4
C: Also state whether the diagram represents an element, compound or mixture.
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Diagram C represents a compound. The uniform color arrangement shows a consistent composition of different atoms bonded together.
Step 5
E: State whether the diagram represents a solid, liquid or gas.
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Diagram E represents a gas. Similar to diagram B, the particles are well separated and move freely, depicting the characteristics of gases.
Step 6
E: Also state whether the diagram represents an element, compound or mixture.
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Answer
Diagram E represents a mixture. The presence of different colors in a random arrangement indicates that it is made up of two or more different substances.
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