Composition of Matter. Matter Anything that has mass and takes up space Ex - Basically everything 2...
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Transcript of Composition of Matter. Matter Anything that has mass and takes up space Ex - Basically everything 2...
![Page 1: Composition of Matter. Matter Anything that has mass and takes up space Ex - Basically everything 2 types of matter Substances Mixture.](https://reader030.fdocuments.net/reader030/viewer/2022032702/56649ced5503460f949b9e2c/html5/thumbnails/1.jpg)
Chapter 15 Section 1Composition of Matter
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MatterAnything that has mass and takes up spaceEx - Basically everything2 types of matter
SubstancesMixture
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SubstancesA type of matter that cannot be broken down
into simpler components and maintain the properties of the original substance
It is PURE (has a fixed composition)Ex – helium, aluminum, water, and salt2 types of substances
ElementsCompounds
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ElementsA substance with atoms that are all alikeIf it is on the periodic table, it is an elementEx – pencil graphite = carbon
penny coating = copperpure gold = gold
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CompoundsSubstance formed from 2 or more elements
in which the exact combination and proportion of elements are always the same
Elements bonded together in an exact wayEx – Water and chalk
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MixturesA material made up of 2 or more substances
that can be easily separated by physical means
Ex – Pizza, soda, sand and pebbles, or sand and iron
2 types of mixturesHeterogeneousHomogenous
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Homogenous MixturesSolid, liquid, or gas that contains 2 or more
substances blended evenly throughout“Homo” means “same”Ex – Bottled soda or vinegar1 types of homogenous mixture
Solutions
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SolutionsHomogenous mixture that remains constantly
and uniformly mixed and has particles that are so small they cannot be seen with a microscope
Solid particles are too small to be seen and do NOT settle out
Ex - Vinegar
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Heterogeneous MixturesMixture in which different materials are
unevenly distributed and are easily identified“Hetero” means “different”Ex – Mixed nuts, dry soup mix, concrete, and
some clothing2 types of heterogeneous solutions
SuspensionsColloids
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SuspensionsHeterogeneous mixture containing a liquid in
which visible particles settleEx – Muddy water
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ColloidsA heterogeneous mixture whose particles
never settle outParticles are larger than those in a solution
but still will not settle outEx – Paint, fog, or smoke
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How can you distinguish a colloid from a solution?The Tyndall effect states that a light beam
will be scattered as it passes through a colloid
A light beam is invisible as it passes through a solution