Physical and Chemical P&C

Aka: Physical and Chemical Properties and Changes

Physical Property

Definition: A characteristic of a substance that is observed when a substance interact with another substance.
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3 Examples and Non-Examples

Examples

  1. Odor
  2. Hardness
  3. Size and Shape
Non-Example

  1. Toxicity- how toxins, like acids and mercury effect substances

Physical Change

Definition: A change in a substance that does not effect its chemical composition.
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Examples and Non-Examples

Examples

  1. Ice Melting
  2. Water Evaporating
  3. Sublimation (Solid-Gas)
  4. Deposition (Gas-Solid)
Non-Example

Rotten Foods and Goods

Chemical Property

Definition: A characteristic that is observed when a substance interacts with another substance
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Examples and Non-Examples

Examples

  1. Flammability
  2. Reactivity
  3. Combustibility
Non-Examples

  1. Freezing Point

Chemical Change

Definition: A change in Matter that produces new substances.
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Fire Time Lapse
Chemical changes vs. Physical changes

Examples and Non-Examples

Examples:

1. Fire to ash

2.Mixing acids and base

3. Water dissolving with salt

Non-Examples

1.Melting an ice cube