what’s the matter , part i
DESCRIPTION
What’s the MATTER , part I. Matter:. Anything that has mass and takes up space Matter is made up of building blocks: atom – smallest unit of an element. element – a pure substance made of only one kind of atom. compound – made of two or more atoms that are chemically combined. - PowerPoint PPT PresentationTRANSCRIPT
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What’s the MATTER , part I
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Matter:
Anything that has mass and takes up space
Matter is made up of building blocks:atom – smallest unit of an element.element – a pure substance made of only one kind of atom.compound – made of two or more atoms that are chemically combined.
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States of Matter
Solid- Definite volume and shape Particles are tightly packed Slight expansion when heated Incompressible
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Liquid- Has definite volume, but no definite
shape (assumes the shape of the container)
Particles are loosely packed (can flow) Easily expand when heated Considered incompressible
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Gas- No definite shape or volume Expands to fill the container Particles are spaced far apart Compressible
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FYI – Composition of Air
Name Symbol % by volume
Nitrogen N2 78.084
Oxygen O2 20.9476
Argon Ar 0.934
Carbon Dioxide CO2 0.0314
Neon Ne 0.001818
Methane CH4 0.0002
Helium He 0.000524
Krypton Kr 0.000114
Hydrogen H2 0.00005
Xenon Xe 0.0000087
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Plasma- Consists of electrically charged particles It’s an ionized gas Common in space, but very rare on Earth Found in lightning, fluorescent lights and
neon signs
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Solid
Liquid
Gas
Plasma
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Energy Amounts in States of Matter
Solid- little energy, particles vibrate and rotate
Liquid- more energy, they move freely Gas- even more energy, move quickly Plasma- most energy, move
extremely fast
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Names of Phase Changes
Solid to Liquid= Melting Liquid to Gas = Boiling/evaporation Gas to Liquid = Condensation Liquid to Solid= Freezing Solid to Gas = Sublimation Gas to Solid = Deposition
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States of Matter a.k.a. Phases of Matter
Solid
Liquid
Gas
Energy
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Properties of Matter
2 Types:
Extensive – depends on the amount of the sample (E AM IS)
Examples = volumemasslengthweight
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Properties of Matter (cont.) Intensive – does not depend on the
amount of the sample (I AM NOT) Examples = density
melting pointboiling pointmalleabilityductilitycolorodor