Classification of Matter

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Presentation transcript:

Classification of Matter BHS - Chemistry

Matter

Matter

Matter Can it be separated physically? Mixture A blend of two or more kinds of matter, each which retains its own identity and properties.

Mixture A blend of two or more kinds of matter, each which retains its own identity and properties. In this example: Piña colada still retains piña colada identity Blueberry still retains blueberry identity Can be separated into distinct parts

Matter Can it be separated physically? Mixture Pure Substance A blend of two or more kinds of matter, each which retains its own identity and properties. Has a fixed composition with exactly the same characteristic properties.

Pure substance Has a fixed composition with exactly the same characteristic properties. Example: Sugar (sucrose) - A sugar molecule always has 12 Carbon, 22 Hydrogen, and 11 Oxygen atoms bonded together

Matter Can it be separated physically? Mixture Pure Substance A blend of two or more kinds of matter, each which retains its own identity and properties. Has a fixed composition with exactly the same characteristic properties. Is the composition uniform? Homogenous Mixture

Homogeneous Both “homogeneous” (ho-mo-gee-nee-us) and “homogenous” (ho-mah-gen-us) are acceptable pronunciations

Examples Air Sugar in water Stainless steel – carbon, chromium, nickel

Matter Mixture Pure Substance Homogenous Mixture Heterogeneous Mixture Can it be separated physically? Mixture Pure Substance A blend of two or more kinds of matter, each which retains its own identity and properties. Has a fixed composition with exactly the same characteristic properties. Is the composition uniform? Homogenous Mixture Heterogeneous Mixture Examples: Air Sugar in water Stainless steel

Heterogeneous Heterogeneous: Both acceptable: (het-er-uh-gee-nee-us) (het-er-uh-gee-nyus)

Examples Granite Quarts Mica Feldspar Wood Blood

Wood Wood Cellulose Hemicellulose Lignin

Blood Blood White cells, Red cells Platelets Plasma

Can it be separated physically? Matter Can it be separated physically? Mixture Pure Substance A blend of two or more kinds of matter, each which retains its own identity and properties. Has a fixed composition with exactly the same characteristic properties. Is the composition uniform? Can it be decomposed by ordinary chemical means? Homogenous Mixture Heterogeneous Mixture Compound Examples: Air Sugar in water Stainless steel Examples: Granite Wood Blood

Compound Examples: Water (H2O) Sodium chloride (NaCl) Sucrose (C12H22O11)

Can it be separated physically? Matter Can it be separated physically? Mixture Pure Substance A blend of two or more kinds of matter, each which retains its own identity and properties. Has a fixed composition with exactly the same characteristic properties. Is the composition uniform? Can it be decomposed by ordinary chemical means? Homogenous Mixture Heterogeneous Mixture Compound Element Examples: Air Sugar in water Stainless steel Examples: Granite Wood Blood Examples: Water Sodium chloride Sucrose

Element Examples: Gold (Au) Aluminum (Al) Oxygen (O) Chlorine (Cl)

Can it be separated physically? Matter Can it be separated physically? Mixture Pure Substance A blend of two or more kinds of matter, each which retains its own identity and properties. Has a fixed composition with exactly the same characteristic properties. Is the composition uniform? Can it be decomposed by ordinary chemical means? Homogenous Mixture Heterogeneous Mixture Compound Element Examples: Air Sugar in water Stainless steel Examples: Granite Wood Blood Examples: Water Sodium chloride Sucrose Examples: Gold Aluminum Oxygen Chlorine