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1) All known elements are organized by their properties on the ____________ __________. a) Periodic Table b) Christmas tree 2) An element is a _______ substance because no matter what you do to its atoms, it always remains the same. a) pure b) mixture 3) An element is a pure substance that can NOT be be broken down into any other parts , or things.
Questions and model answers on Elements, Compounds & Mixtures for the Edexcel IGCSE Chemistry syllabus, written by the Chemistry experts at Save My Exams. ... Practice Papers; Chemistry Last Exams 2024 HL. Exam Questions; Revision Notes; Practice Papers; Chemistry First Exams 2025 SL. ... Choose substances from the box to answer these questions ...
A compound is a pure substance that is made from more than one element. In a compound, elements are chemically bonded together, which makes it very difficult to separate them.
What is the difference between O and H2O? 8. Multiple Choice. 9. Multiple Choice. Why are elements and compounds called pure substances? Already have an account? Pure Substances and Mixtures quiz for 6th grade students. Find other quizzes for Chemistry and more on Quizizz for free!
Substances are broadly classified as pure substances, such as elements and compounds, or mixtures, such as rainwater, but the classification system goes further. How a substance is classified depends on its makeup and properties, and understanding the differences helps scientists solve major issues, such as creating clean drinking water.
Explain how you would determine if a substance is an: element: compound: homogeneous mixture: heterogeneous mixture: Base your answer to questions 9-11 on the model below. 9. How would you classify this (element/compound/mixture? Objective: Differentiate between compounds, mixtures and elements
Which is a substance that is made up of only one type of atom? a pure substance because it is a compound. Which is a characteristic of mixtures? -They are chemically bonded together. -They can be classified as pure substances. -They have fixed ratios between their components. -They can be separated by physical processes.
