Elements, Compounds, or Elements, Compounds, or Mixtures???Mixtures???

MatterMatter

What is Matter?What is Matter?

What are examples of What are examples of matter?matter?

What is NOT matter?What is NOT matter?

Anything that has Anything that has mass and takes up mass and takes up space.space.

People, atoms, People, atoms, chairs, food,…etc.chairs, food,…etc.

Emotions, EnergyEmotions, Energy

AtomAtom

A unit of Matter, the smallest unit of an A unit of Matter, the smallest unit of an element having all the characteristics of element having all the characteristics of that elementthat element

Contains Protons, Neutrons, and ElectronsContains Protons, Neutrons, and Electrons

ElementElement

A Pure substane containing only one kind A Pure substane containing only one kind of ATOMof ATOM

Examples: Lithium (Li), Calcium (Ca), Examples: Lithium (Li), Calcium (Ca), Oxygen (O)Oxygen (O)

CompoundCompound

A pure substance containing two or more A pure substance containing two or more DIFFERENTDIFFERENT kinds of atoms kinds of atoms CHEMICALLY COMBINEDCHEMICALLY COMBINED

Examples: Sodium Chloride (Table Salt)Examples: Sodium Chloride (Table Salt)

MixtureMixture

Two or more elements or compounds not Two or more elements or compounds not chemically combinedchemically combined

Examples: Pop, Cereal, Salad, Salt WaterExamples: Pop, Cereal, Salad, Salt Water

Heterogeneous MixtureHeterogeneous Mixture

A non uniform mixtureA non uniform mixture

Examples: Raisin Bran, Fruit Salad, SandExamples: Raisin Bran, Fruit Salad, Sand

Homogeneous MixtureHomogeneous Mixture

A uniform mixture, also called a solutionA uniform mixture, also called a solution

Examples: Salt Water, Apple JuiceExamples: Salt Water, Apple Juice

Pure SubstancePure Substance

Substance with the same composition Substance with the same composition throughout and the same set of propertiesthroughout and the same set of properties

Elements, or CompoundsElements, or Compounds

HH22O, SO, S88, O, O22, H, H22

MoleculeMolecule

The smallest particle of a substance that The smallest particle of a substance that retains the chemical and physical retains the chemical and physical properties of the substance and is properties of the substance and is composed of two or more atomscomposed of two or more atoms

Atoms, Molecules,or Atoms, Molecules,or Both?Both?

Element, Cmpd, Mix?Element, Cmpd, Mix?

Heterogeneous or Heterogeneous or Homogeneous?Homogeneous?

AtomsAtoms

ElementElement

HomgeneousHomgeneous

Atoms, Molecules,or Atoms, Molecules,or Both?Both?

Element, Cmpd, Mix?Element, Cmpd, Mix?

Heterogeneous or Heterogeneous or Homogeneous?Homogeneous?

MoleculesMolecules

CompoundCompound

HomgeneousHomgeneous

Atoms, Molecules,or Atoms, Molecules,or Both?Both?

Element, Cmpd, Mix?Element, Cmpd, Mix?

Heterogeneous or Heterogeneous or Homogeneous?Homogeneous?

BothBoth

MixMix

HeterogeneousHeterogeneous

Which of the following is a pure Which of the following is a pure Substance?Substance?

AA

BB

CC