Catalyst

Catalyst

Label the following as physical or chemical changes:Burning a candleCracking an eggMelting ButterFreezing iceAluminum foil reacting with pool cleaner

Unit 1 Learning Target Log

Unit 1 Atomic Theory, The Periodic Table, and Food ToxicologyDangerous Elements

It takes 31 cuts to get to the size of the atom! It is 0.0000007 mm!CutsSize (mm)Reference0280N/A1140Child's hand270Fingers335Watch417.5Keyboard keys64.375Poppy seeds81.09375Thread120.068359375Human Hair140.017089844Width of paper180.001068115Bacteria190.000534058Visible light waves241.66893E-05Membranes311.30385E-07Size of the atom!Atoms Familya

Lesson 1.1 Introduction to the Atom

Todays Learning TargetLT 1.1 I can identify the size, location, and mass of the three subatomic particles found in the atom.

Lecture on how atoms are found in absolutely everything. Everything we see, touch, taste, and interact with has atoms in it. Atoms are fundamental to our existence on this planet.9At the Particulate Level(APL) Now that weve talked about particles as atoms, molecules, elements, compounds, and mixtures, lets focus on each on individually.What is in our food at the smallest level?

Students will complete the 1.0.Classification of Matter Puzzle10The Atom

Size of the AtomThe atom has a diameter between 0.1 0.5 nmPoint of reference: A basketball has a diameter of 234,500,000 nm

Three Types of Subatomic ParticlesAll atoms contain the following subatomic particles:ProtonsNeutronsElectrons

ProtonsProtons are found in the nucleus of an atom.The nucleus is located in the center of the atom.Protons have a positive charge. We say that their charge is +1

NeutronsNeutrons are found in the nucleus of an atom.Neutrons do not have a charge. They are neutral

James Chadwick discovered the neutron in 1932!Mass of Protons and NeutronsProtons and neutrons have the same mass.Each subatomic particle has a mass of 1 amu.amu = atomic mass unit

A typical sewing pin has over 5 million atoms on the top of its head.16ElectronsElectrons are found in the electron cloud.The electron cloud surrounds the nucleus of an atom.Electrons have a -1 charge

Mass of ElectronsElectrons have a mass that is 0.00054 amu.Electrons do not contribute to the weight of an atom.

NeutralLike the car gear, like water, like switzerland!

To be neutral, the positives and negatives must cancel out!

Neutral Tweet!Equal nmbr of protons and electrons #Chemswag #Learning #MrAstorIsABoss

The resulting charge is zero!

summarize

Scientific Literacy - Death by ElementComplete the reading using your Curriculet log-insYou must answer the appropriate questions to advance in the reading.

Exit TicketSubatomic ParticleSizeChargeLocationProtonNeutronElectronRate YourselfBased on the exit ticket and your current level of understanding, rate yourself 1 4 on LT 1.1

Closing TimeNo practice!