Chemistry

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Last updated 3:48 PM on 9/9/26
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8 Terms

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Earth

Formed ~4.7 BYA, Life ~3.7 BYA

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Matter

Anything that takes up space & has mass

Made up of the elements (Periodic Table)

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Element

Substance that CAN NOT be broken down to other substances

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C H O N P S

Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous, Sulfur


Elements commonly found within all living organisms ~96% of living matter

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Compound

Consists of 2+ elements in a fix (specific) ratio

Characteristics different from those of its elements

Ex. NaCl (salt) → Na, Highly Reactive , Cl, Deadly

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<p>Structural Formula</p>

Structural Formula

Atom Bonding

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<p>Molecular Formula</p>

Molecular Formula

Abbreviation

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Trace Elements

Trace Elements are rquired by an organism in minimal quantites

Ex. Iodine → Required for thyroid hormone production by the thyroid gland (Controls metabolic rate)