Filetype Power Point PPTX | Posted on 31 Aug 2022 | 3 years ago
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171x Filetype PPTX File size 0.59 MB Source: www.centergrove.k12.in.us
Physical and Chemical
Properties
Physical Properties
• A PHYSICAL PROPERTY is a property of matter
that can be observed or measured without
changing the composition.
• Examples:
–Copper conducts electricity. Conductivity is a
physical property.
–Water is a liquid. States of matter are physical
properties.
–Gold has a density of 19.3 g/mL. Density is a
physical property.
–What other physical properties can you name?
• Take a look at a Twix bar. What are some
of the physical properties of the
wrapper?
• What are some of the physical properties
of the candy?
Chemical Properties
• A CHEMICAL PROPERTY is a property of matter
that can be measured or observed ONLY by
changing the composition of the material.
• Examples: reactivity, pH, radioactivity
–Hydrochloric acid has a low pH. Hydrochloric acid
is…an acid. Go figure.
–Vinegar reacts with baking soda to form CO .
2
–Hydrogen gas is highly flammable.
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