'Pure elements' diaporamas de présentation

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Chapter 4 The Periodic Table

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What are the levels of organization in an organism?

What are the levels of organization in an organism?. 1. 8. No ex. 2. No ex. Ex: digestive. 3. system. No ex. 7. 4. Ex: stomach. Ex: mitochondria. 9. 5. Ex: human. Ex: muscle. cell. 6. Ex: muscle tissue. Name: Date: Period:. Atoms.

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The Periodic Table

The Periodic Table. most of the pure elements are solid at room temperature, only 11 naturally occurring elements are a gas, and only 2 elements are liquid at room temperature. Dmitri Mendeleev (1829-1869).

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Extraction of Pure Elements from Nature

Extraction of Pure Elements from Nature. Which elements are easy?. Easy elements are gases that exist in the elemental form. N 2 , O 2 , noble gases Obtained by distillation of cooled, liquified air. Preview. Extraction of Metals.

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Chemistry

Chemistry. Chemistry is the science concerned with the composition, structure, and properties of matter. Atoms are the basic units in chemicals. Atoms are made of subatomic particles . protons (+) neutrons (0) electrons (-).

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Five Main Types of Chemical Reactions

Five Main Types of Chemical Reactions. Combustion synthesis decomposition single replacement (displacement) double replacement (displacement). 1. Combustion Reactions.

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What is a Mineral?

What is a Mineral?. Section 3-1. 1. Naturally Occurring. Found in nature Not man- made. 2. Inorganic. Made from non-living things. 3. Solid. Definite shape & volume Not liquid or gas. 4. Crystal Structure. Have flat sides and sharp corners. 4. Crystal Structures.

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Modern Periodic Table

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The Periodic Table

The Periodic Table. A. Metals. Physical Properties: Hardness Shininess Malleability Ductility Chemical Properties: Reactivity; ease and speed the element combines or reacts with other elements. B. Families of Metals.

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Oxidation Numbers and Examples of Redox Reactions

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Metals

Metals. Section 16-2. Families on the Periodic Table. Columns are grouped into families. Families may be one column, or several columns put together. Families have names rather than numbers. (Just like your family has a common last name .)

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Standard Enthalpies of Formation

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