Elements Atoms And Symbols key idea
Material
The substance or sample being studied.Property
Chemical symbols are exact. CO and Co do not mean the same thing, because capital letters matter.Evidence
The visible observation, label, or test result.Conclusion
The chemistry idea shown by the evidence.Labelled diagram
Elements Atoms And Symbols explain card
Elements are the simplest pure substances. Oxygen, hydrogen, carbon, iron, and copper are elements, and each is represented by a symbol such as O, H, C, Fe, or Cu.Exam cue: Use a labelled observation before the explanation.
- 1Material -> Property: has
- 2Evidence -> Conclusion: supports