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13 Cards in this Set
- Front
- Back
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Published Principia in 1687 |
Issac Newton |
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Proposed Law of Conservation of Matter in 1785 |
Antonie Lavosier |
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Break down the molecule |
Matter is made up of molecules/ Molecules consist of atoms bound together/ Atoms contains a nucleus surrounded by electrons/ Nucleus contains protons and neutrons bound together/ Protons and neutrons consist of quarks bound together by gluons |
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What is matter? |
anythingthat occupies space and has mass< |
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How is matter weighed? |
Weighed by gravity that is measured by inertia (tendency to resist movement) |
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Define density |
theratio of an objects mass to the volume it takes up |
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What is the basic unit of mass? |
thegram (1 kilogram = 1000 grams) |
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What are the three forms of matter and their properties? |
Solid has definite shape and size Liquid has no shape, but definite volume Gases has no definite form or volume^ |
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What is an element? |
matterof one type of atom |
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What is a compound? |
twoor more kinds of atoms joined together and grouped in a definite way |
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What is a mixture? |
hasa composition that is not uniform, but it heterogeneous (diverse in characterand content) |
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What are physical properties? |
observedwhen no change is taking place in the atomic structure; color, density, meltingpoint, and hardness |
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What are chemical properties? |
tendencyto react with other substances (iron rusting in moist air) |
