B.1-B.4 vocabulary

·      Physical property- properties that can be observed and measured without changing the chemical makeup of the substance

·      Matter- anything that occupies space and has mass

·      Density- the mass of material within a given volume

·      Freezing point- 0 degrees C

·      Aqueous solution- a water based solution

·      Surface tension- the tension of the surface of a liquid caused by the attraction of the particles in the surface layer of the bulk of the liquid

·      Melting point- the temperature in which a solid will melt

·      Boiling point- the temperature in which a liquid boils

·      Suspension- a heterogeneous mixture is called a suspension if the solid particles are large enough to settle out or can be separated by using filtration

·      Mixture- when two or more substances combine and yet the substances retain their individual properties, the result is called a mixture

·      Heterogeneous mixture- when a mixture’s composition is not the same throughout

·      Tyndall effect- scattering of light, indicating that small particles still remained in the water

·      Colloid- a mixture where the Tyndall effect is present

·      Homogenous mixture- a mixture that is uniform throughout

·      Solution- all solutions of homogenous mixtures

·      Solute- the dissolved substance

·      Solvent- the dissolving agent

·      Matter chart- a flowchart of the various types of mixtures and substances

·      Particulate level- the level of water’s molecules and atoms

·      Atoms- building blocks of matter

·      Element- matter that is made up of only one kind of atom

·      Compound- a substance that is composed of the atoms of multiple elements linked together

·      Chemical formula- a formula in which compounds and elements are represented in

·      Substance- an element and compound that has a uniform and definite composition

·      Molecule- the smallest unit of a molecular compound that retains the properties of that substance

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