Ati Teas 7 2023 Chemistry Exams Questions And Answers

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lOMoARcPSD|28578405 ATI TEAS 7 2023 Chemistry Exams Questions and AnswersATI TEAS 7 2023 Chemistry Exams Matter Anything that has mass + volume divisions of matter pure substances and mixtures Pure Substance A sample of matter, either a single element or a single compound, that has definite chemical and physical properties EX: O, H, CL, ( elements ) Compounds: H20, NaCL definite properties: always the same Heterogeneous mixtures are... mixtures that are not uniform throughout Oil and water - creating a distinct boundary Homogenous mixture example a mixture in which the composition is uniform throughout salt water Is blood homogeneous or heterogeneous? blood under microscope is heterogenous regular blood is homogenous Mass A measure / quantity of the amount of matter in an object VolumeThe amount of space an object takes up weight measurement of the gravitational pull on a object - greater the gravitational pull on a object the more it will weigh will the weight of a space ship change yes will the mass of a spaceship change no Sub-atomic particles protons, neutrons, electrons Protons Positively charged particles Neutrons the particles of the nucleus that have no charge Electrons Negatively charged particles Atoms smallest unit of matter What is