Chemistry 1 Final Exam Flashcards Questions and Answers [Distinction A+] 2023

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Matter - -anything that occupies space and has mass -mass - -the amount of matter in an object -pure substance - -elements and compounds that cannot be broken down -mixtures - -combinations o... f two or more substances that can be separated or physically mixed -heterogeneous mixture - -non uniform composition ex: trail mix -homogeneous mixture - -uniform composition ex: salt water -qualitative data - -physical characteristics -quantitative data - -measure and calculate (numbers) -Atom - -smallest particle of an element that retains all the chemical properties of the element -Nucleus - -center of atom -protons - -positively charged particles -neutrons - -neutral charged particles -electrons - -negatively charged particles -electron cloud - -the space where all the electrons are held -elements - -are pure substances that cannot be broken apart by ordinary means to other substances -molecule - -consists of two or more atoms, either of the same type of element or those of different elements, in a definite ratio [Show More]

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