what’s the matter , part i
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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
What’s the MATTER , part I
Matter: Anything that has mass and takes up
spaceMatter 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.
States of Matter Solid-
Definite volume and shape Particles are tightly packed Slight expansion when heated Incompressible
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
Gas- No definite shape or volume Expands to fill the container Particles are spaced far apart Compressible
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
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
Solid
Liquid
Gas
Plasma
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
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
States of Matter a.k.a. Phases of Matter
Solid
Liquid
Gas
Energy
Properties of Matter 2 Types:
Extensive – depends on the amount of the sample
Examples = volumemasslengthweight
Properties of Matter (cont.) Intensive – does not depend on the
amount of the sample Examples = density
melting pointboiling pointmalleabilityductilitycolorodor