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Title: Chemistry : Matter
Description: Here I have a 2 pages notes filled with informations only about matter. There are classifications of matter, physical and chemical, states of matter, etc.
Description: Here I have a 2 pages notes filled with informations only about matter. There are classifications of matter, physical and chemical, states of matter, etc.
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SCIENCE: Chemistry
Physical Properties of Matter
- anything that can be measured or observed without making a new substance
- original substance do not change
Examples:
1
...
Colour - green, blue,clear
3
...
Texture - fine, coarse, rough
5
...
Taste - sour, spicy, bitter
7
...
Malleability - able to bent (malleable), shatter easily (plastic)
9
...
e
...
Form - crystalline (cubed shape like grain salt), amorphous (has an irregular shape)
11
...
Melting and Boiling Point - melt (solid to liquid), boil (liquid to gas)
13
...
e maple syrup, oil
14
...
cooking, rusting, burning, tarnish
Evidence:
1
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bunsen burner
2
...
e
...
A new solid is from (precipitate)
4
...
An odour is produced - i
...
rotten egg, when a gas is produced, odour is removed
Particle Theory of Matter
1
...
2
...
3
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Temperature affects the speed of particles
...
Particles attract each other due to strong force
...
light a wooden splint
2
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hold the glowing splint in a small amount of the unknown gas
Changes of State
Evaporation - liquid to gas
Deposition - gas to solid
Melting - solid to liquid
Condensation - gas to liquid
Freezing - liquid to solid
Sublimation - solid to gas
Classifications of Matter
Pure Substances:
Element - composed of identical atoms i
...
copper (Cu), aluminum (Al)
Compound - composed of two or more elements in a fixed ratio i
...
table salt (NaCl)
Mixtures:
Heterogeneous - more than one phase (it doesn't look the same throughout)
• Colloid - medium sized particles, Tyndall effect, particles dont settle i
...
milk, mayonnaise
• Suspension - large particles, Tyndall effect, particles settle i
...
fresh squeezed lemonade
juice, Mechanical Mixture - something you can separate i
...
pizza, cookie, O
...
Homogeneous - has only one phase
• Colloid - particles don`t settle, no Tyndall effect, very small particles (clear) i
...
apple juice
Title: Chemistry : Matter
Description: Here I have a 2 pages notes filled with informations only about matter. There are classifications of matter, physical and chemical, states of matter, etc.
Description: Here I have a 2 pages notes filled with informations only about matter. There are classifications of matter, physical and chemical, states of matter, etc.